After closely observing the atmosphere of Venus, astronomers have now detected clear signs of atomic oxygen in the daylight area, above the toxic clouds of the neighbouring planet. 
 
As per the team of astronomers, headed by physicist Heinz-Wilhelm Hubers of the German Aerospace Center (DLR), it has been known that atomic oxygen exists in the atmosphere of the planet as per the theoretical models, and has been detected before on the nightside of the Venus. 
 
However, the detection of oxygen on the dayside has added a new insight into the dynamics of the atmosphere on Venus and its circulation patterns, the team added.

ALSO READ |&nbsp;<a href="https://www.wionews.com/science/stargazers-beware-saturns-rings-will-vanish-soon-heres-when-656374">Stargazers beware! Saturn's rings will vanish soon. Here's when</a>

Scientists have been trying to study Venus in greater detail because of the similarities it shares with Earth. The planet's mass and composition are similar to that of Earth's but in comparison to life on our planet, Venus is just a death pit. 
 
The planet is surrounded by thick, choking clouds which are mostly made up of carbon dioxide. These clouds create a greenhouse environment which leads to the planet's average surface temperatures around 464 degrees Celsius (867 Fahrenheit). 
 
The clouds lead to acid rain on Venus and the atmosphere rotates at a tremendous rate around the planet. The scientists by understanding Venus' atmosphere are also able to understand the difference between the neighbouring planet and our planet.

<h2>What is atomic oxygen?</h2>

Atomic oxygen is not similar to the oxygen humans breathe on Earth. The oxygen found on Earth is molecular oxygen, or O2, which consists of two atoms of oxygen bound together. 
 
Atomic oxygen has only one oxygen atom, and generally, it does not last long because it is highly reactive and easily bonds with other atoms. Atomic oxygen is found in abundance at high altitude places on Earth where it is created through the photodissociation of molecular oxygen. In this process, atmospheric O2 is broken into two parts by solar photons. 
 
It is believed that a similar process takes place on the planet Venus. The atmosphere of Venus is predominantly filled with carbon dioxide and when the sunlight hits this CO2, the molecules are broken into atomic oxygen and carbon monoxide by photodissociation.

WATCH |&nbsp;Remains of an ancient planet lie deep within earth

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The atomic oxygen was found in high concentration on 17 locations on Venus. The molecules were present at an altitude of about 100 kilometres (62 miles). 
 
"Future observations, especially near the antisolar and subsolar points but also at all solar zenith angles, will provide a more detailed picture of this peculiar region and support future space missions to Venus," the researchers stated. 
 
"Along with measurements of atomic oxygen in the atmospheres of Earth and Mars, these data may help to improve our understanding of how and why Venus and Earth's atmospheres are so different,” they added.

(With inputs from agencies)

After closely observing the atmosphere of Venus, astronomers have now detected clear signs of atomic oxygen in the daylight area, above the toxic clouds of the neighbouring planet.

After closely observing the atmosphere of Venus, astronomers have now detected clear signs of atomic oxygen in the daylight area, above the toxic clouds of the neighbouring planet. As per the team of astronomers, headed by physicist Heinz-Wilhelm Hubers of the German Aerospace Center (DLR), it has been known that atomic oxygen exists in the atmosphere of the planet as per the theoretical models, and has been detected before on the nightside of the Venus. However, the detection of oxygen on the dayside has added a new insight into the dynamics of the atmosphere on Venus and its circulation patterns, the team added. ALSO READ | Stargazers beware! Saturn's rings will vanish soon. Here's when Scientists have been trying to study Venus in greater detail because of the similarities it shares with Earth. The planet's mass and composition are similar to that of Earth's but in comparison to life on our planet, Venus is just a death pit. The planet is surrounded by thick, choking clouds which are mostly made up of carbon dioxide. These clouds create a greenhouse environment which leads to the planet's average surface temperatures around 464 degrees Celsius (867 Fahrenheit). The clouds lead to acid rain on Venus and the atmosphere rotates at a tremendous rate around the planet. The scientists by understanding Venus' atmosphere are also able to understand the difference between the neighbouring planet and our planet. What is atomic oxygen? Atomic oxygen is not similar to the oxygen humans breathe on Earth. The oxygen found on Earth is molecular oxygen, or O2, which consists of two atoms of oxygen bound together. Atomic oxygen has only one oxygen atom, and generally, it does not last long because it is highly reactive and easily bonds with other atoms. Atomic oxygen is found in abundance at high altitude places on Earth where it is created through the photodissociation of molecular oxygen. In this process, atmospheric O2 is broken into two parts by solar photons. It is believed that a similar process takes place on the planet Venus. The atmosphere of Venus is predominantly filled with carbon dioxide and when the sunlight hits this CO2, the molecules are broken into atomic oxygen and carbon monoxide by photodissociation. WATCH | Remains of an ancient planet lie deep within earth The atomic oxygen was found in high concentration on 17 locations on Venus. The molecules were present at an altitude of about 100 kilometres (62 miles). "Future observations, especially near the antisolar and subsolar points but also at all solar zenith angles, will provide a more detailed picture of this peculiar region and support future space missions to Venus," the researchers stated. "Along with measurements of atomic oxygen in the atmospheres of Earth and Mars, these data may help to improve our understanding of how and why Venus and Earth's atmospheres are so different,” they added. (With inputs from agencies)

Life on Venus? Astronomers detect oxygen in dayside atmosphere of planet

The earth planet is our home but how was it formed scientists have proposed a novel theory that might explain two of the world's enduring mysteries.

Remains of an ancient planet lie deep within earth

Venus, as we know it today, has little resemblance to Earth. But a recent study has revealed that in its youth, Venus&nbsp;likely had some of our planet's features.&nbsp;Currently, Venus' extreme temperatures and sulfuric acid-laden clouds make it a hostile environment.

However, the study published in the journal Nature Astronomy says that in its early days, Venus might have shared Earth-like characteristics that involved plate tectonics.&nbsp;

The research, led by Matthew B. Weller, a planetary scientist at the Lunar and Planetary Institute in Houston, indicated that both Earth and Venus likely experienced plate tectonics during a similar time period.

Reports quoting the study said that the geological processes related to plate tectonics might have hidden away a substantial amount of the carbon dioxide responsible for the current scorching conditions on Venus.

Also Read |&nbsp;<a href="https://www.wionews.com/science/a-390-million-year-old-murder-mystery-finally-solved-and-the-culprit-still-exists-651774">A 390 million-year-old murder mystery finally solved and the culprit still exists</a>

<h2>Is Venus a potential haven for life?&nbsp;</h2>

According to Dr. Weller, this information opens up the possibility that billions of years ago, Venus might have been a place where life could have thrived.

The presence of plate tectonics implied that Venus would have been "cooler&nbsp;and then there would have been more liquid water,"&nbsp;Dr. Weller said.&nbsp;

Rather than identifying visible surface features like the San Andreas fault, the researchers focused on the composition of the atmosphere, specifically nitrogen.

When rocky planets such as Earth and Venus form, nitrogen gets trapped in minerals. However, during volcanic eruptions, these minerals melt, breaking chemical bonds and allowing nitrogen to escape into the atmosphere, where it remains.

Also Read |&nbsp;<a href="https://www.wionews.com/science/russia-to-put-first-segment-of-its-own-iss-in-orbit-by-2027-says-putin-651763">Russia to put first segment of its own ISS in orbit by 2027, says Putin</a>

Dr. Weller explained that nitrogen serves as a diagnostic tool for deciphering a planet's tectonic history.

To reach their conclusions, Dr. Weller and his colleagues from Brown University and Purdue University employed computer simulations to explore two tectonic models.

The first, known as the "stagnant lid," applies to worlds like Mars and the Earth's moon, where the outer crust forms a solid, immobile shell, trapping most gases beneath it.

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The second model was about plate tectonics. About 80 per cent of volcanic activity on Earth occurs along mid-oceanic ridges, where tectonic plates spread apart and magma rises.&nbsp;

(With inputs from agencies)

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Venus, as we know it today, has little resemblance to Earth. But a recent study has revealed that in its youth, Venus likely had some of our planet's features. Currently, Venus' extreme temperatures and sulfuric acid-laden clouds make it a hostile environment.

Venus, as we know it today, has little resemblance to Earth. But a recent study has revealed that in its youth, Venus likely had some of our planet's features. Currently, Venus' extreme temperatures and sulfuric acid-laden clouds make it a hostile environment. However, the study published in the journal Nature Astronomy says that in its early days, Venus might have shared Earth-like characteristics that involved plate tectonics. The research, led by Matthew B. Weller, a planetary scientist at the Lunar and Planetary Institute in Houston, indicated that both Earth and Venus likely experienced plate tectonics during a similar time period. Reports quoting the study said that the geological processes related to plate tectonics might have hidden away a substantial amount of the carbon dioxide responsible for the current scorching conditions on Venus. Also Read | A 390 million-year-old murder mystery finally solved and the culprit still exists Is Venus a potential haven for life? According to Dr. Weller, this information opens up the possibility that billions of years ago, Venus might have been a place where life could have thrived. The presence of plate tectonics implied that Venus would have been "cooler and then there would have been more liquid water," Dr. Weller said. Rather than identifying visible surface features like the San Andreas fault, the researchers focused on the composition of the atmosphere, specifically nitrogen. When rocky planets such as Earth and Venus form, nitrogen gets trapped in minerals. However, during volcanic eruptions, these minerals melt, breaking chemical bonds and allowing nitrogen to escape into the atmosphere, where it remains. Also Read | Russia to put first segment of its own ISS in orbit by 2027, says Putin Dr. Weller explained that nitrogen serves as a diagnostic tool for deciphering a planet's tectonic history. To reach their conclusions, Dr. Weller and his colleagues from Brown University and Purdue University employed computer simulations to explore two tectonic models. The first, known as the "stagnant lid," applies to worlds like Mars and the Earth's moon, where the outer crust forms a solid, immobile shell, trapping most gases beneath it. Watch | Malaysia warns Meta, TikTok over allegedly restricting content supporting Palestinians × The second model was about plate tectonics. About 80 per cent of volcanic activity on Earth occurs along mid-oceanic ridges, where tectonic plates spread apart and magma rises. (With inputs from agencies) WATCH WION LIVE HERE You can now write for wionews.com and be a part of the community. Share your stories and opinions with us here. ×

Venus in its youth likely had Earth-like features and probably hosted life: Study

Earth is 'well outside safe operating space for humanity', with 6 planetary boundaries broken.

Six of nine planetary boundaries now exceeded: Study

Scientists have discovered evidence on a hidden planet beyond Neptune. Will the new planet be able to support life? Molly Gambhir gets you a report.

Gravitas: Scientists Discover A New Earth-Like Planet

Scientists have achieved the most precise measurement of Mars' rotation to date, unravelling the planet's enigmatic "wobble" caused by its molten core's dynamic movements.

This remarkable insight also revealed an unexpected acceleration in Mars' rotation, presenting a complex situation&nbsp;for researchers trying to find out the underlying causes behind it.

<h2>InSight lander: A witness to Mars' intricacies</h2>

The catalyst for this groundbreaking discovery was NASA's InSight lander, which spent a four-year tenure on the Martian surface before its power reserves depleted in December 2022.

During its mission, the lander collected invaluable data that offered a deeper understanding of Mars' intricate internal dynamics.

Also read |&nbsp;<a href="https://www.wionews.com/science/beyond-the-stars-what-is-nasas-protocols-for-handling-deceased-astronauts-in-space-621687">Beyond the stars: What is NASA's protocol for astronauts who die in space?</a>

<h2>Rotation and interior structure experiment (RISE)</h2>

Published in the <a href="https://www.nature.com/articles/s41586-023-06150-0.epdf?sharing_token=bzW3WFMTFPlbiQSKOZXeC9RgN0jAjWel9jnR3ZoTv0Nu8518zKsaArvLAESaO3RedjZzSDEypmtF_MXsjctromAsjzAzRQatHLvozmIBx71q8y3Lck5HJOrfjhLieO8H2zMXYhMOGcJeJiTrbGgvo4hiV2DCDVboMBx3Rt3P3XA%3D">journal Nature</a>, a study led by researchers harnessed data from the InSight lander's Rotation and Interior Structure Experiment (RISE).

This analytical approach unveiled a startling revelation that&nbsp;Mars' rotation is undergoing an acceleration of approximately 4 milliarcseconds per year.

Despite its subtlety, this acceleration perplexes scientists, leaving them&nbsp;grappling&nbsp;with the mechanisms behind this phenomenon.

In the quest to figure out&nbsp;the cause behind Mars' acceleration, researchers have put forth several hypotheses.

<h2>But, why is Mars spinning faster?</h2>

Among these, the accumulation of ice on the polar caps and the concept of post-glacial rebound, wherein previously ice-covered landmasses rise due to released pressure, have been suggested.

This alteration in the planet's mass distribution could potentially trigger acceleration&nbsp;akin to an ice skater varying their spin speed by altering their arm position.

Also watch |&nbsp;These pictures of Earth from Mars show there's no 'Planet B' for us

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The Doppler effect, the phenomenon that causes an ambulance's siren pitch to change as it approaches or moves away, underpins a crucial aspect of this research.

Astronomers ingeniously employed this principle to gauge Mars' rotation speed. Using the Deep Space Network, scientists sent a radio signal to the InSight lander.

The signal was reflected back by the RISE instrument's radio transponder and antennae. By scrutinising minute alterations in frequency, known as Doppler shift, caused by the lander's motion, scientists could accurately deduce the planet's rotational velocity.

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Scientists have achieved the most precise measurement of Mars' rotation to date, unravelling the planet's enigmatic "wobble" caused by its molten core's dynamic movements.

Scientists have achieved the most precise measurement of Mars' rotation to date, unravelling the planet's enigmatic "wobble" caused by its molten core's dynamic movements. This remarkable insight also revealed an unexpected acceleration in Mars' rotation, presenting a complex situation for researchers trying to find out the underlying causes behind it. InSight lander: A witness to Mars' intricacies The catalyst for this groundbreaking discovery was NASA's InSight lander, which spent a four-year tenure on the Martian surface before its power reserves depleted in December 2022. During its mission, the lander collected invaluable data that offered a deeper understanding of Mars' intricate internal dynamics. Also read | Beyond the stars: What is NASA's protocol for astronauts who die in space? Rotation and interior structure experiment (RISE) Published in the journal Nature, a study led by researchers harnessed data from the InSight lander's Rotation and Interior Structure Experiment (RISE). This analytical approach unveiled a startling revelation that Mars' rotation is undergoing an acceleration of approximately 4 milliarcseconds per year. Despite its subtlety, this acceleration perplexes scientists, leaving them grappling with the mechanisms behind this phenomenon. In the quest to figure out the cause behind Mars' acceleration, researchers have put forth several hypotheses. But, why is Mars spinning faster? Among these, the accumulation of ice on the polar caps and the concept of post-glacial rebound, wherein previously ice-covered landmasses rise due to released pressure, have been suggested. This alteration in the planet's mass distribution could potentially trigger acceleration akin to an ice skater varying their spin speed by altering their arm position. Also watch | These pictures of Earth from Mars show there's no 'Planet B' for us The Doppler effect, the phenomenon that causes an ambulance's siren pitch to change as it approaches or moves away, underpins a crucial aspect of this research. Astronomers ingeniously employed this principle to gauge Mars' rotation speed. Using the Deep Space Network, scientists sent a radio signal to the InSight lander. The signal was reflected back by the RISE instrument's radio transponder and antennae. By scrutinising minute alterations in frequency, known as Doppler shift, caused by the lander's motion, scientists could accurately deduce the planet's rotational velocity. WATCH WION LIVE HERE:

Mars' timepiece tinkered? NASA discovers faster spin, shorter days on red planet

The presence of water vapours in a distant star system: This report tells you more about the James Webb Space Telescope and how significant this discovery is take a look the universe is full of mysteries.

Discovery points to environments capable of supporting

A rare “sibling” which is likely to share a similar orbit with a Jupiter-like planet around a young star has&nbsp;been found by astronomers. 
 
Atacama Large Millimetre/submillimetre Array of telescopes (ALMA) has been used by researchers in Chile to observe the PDS 70 system which is located at a distance of 370 light-years from the Centaurus constellation. 
 
Astronomers are already aware of two Jupiter-like planets, which are called PDS 70c and PDS 70b, orbiting the star. However, they have spied a cloud of debris in the orbital path of PDS 70b which can represent a new planet's building blocks which is actively forming or already formed. 
 
The scientists feel that the planet's direct image may be the strongest evidence to date which shows that the two exoplanets can possibly share the exact same orbit. A study, in which the findings were mentioned in detail, was published in the journal Astronomy &amp; Astrophysics on Wednesday (July 19).

ALSO READ |&nbsp;<a href="https://www.wionews.com/technology/china-ambitious-space-programme-will-send-taikonauts-to-moon-with-new-gen-spacecraft-618268">China ambitious space programme will send taikonauts to Moon with new gen spacecraft</a>

“Two decades ago it was predicted in theory that pairs of planets of similar mass may share the same orbit around their star, the so-called Trojan or co-orbital planets. For the first time, we have found evidence in favour of that idea,” stated lead study author Olga Balsalobre-Ruza, who is a postdoctoral student of astrophysics at Madrid’s Centre for Astrobiology, in a statement.

<h2>What are Trojans?</h2>

The rocky space bodies which exist within the same orbit just like planets are called Trojans. Such phenomena are commonly found in all solar systems, which include a couple of them in Earth’s orbit and more than 12,000 Trojan asteroids which exist in the orbit of Jupiter as it moves around the sun. 
 
NASA’s Lucy mission, which was launched by the space agency in October 2021, will be the first to carry out a of study these never-before-seen asteroids from close. Till now, there has been sparse evidence of Trojans beyond our solar system, especially Trojan planets. 
 
“Exotrojans (Trojan planets outside the Solar System) have so far been like unicorns: they are allowed to exist by theory but no one has ever detected them,” stated study coauthor Jorge Lillo-Box, who is a researcher at the Centre for Astrobiology, in a statement.

WATCH |&nbsp;India's gateway to outer space at Satish Dhawan Space Centre

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Typically, Trojans are found in Lagrangian points, which are the two extended regions within the orbit of the planet where materials can be trapped by the gravitational pull of the star and planet. 
 
The discovery has forced researchers to question the formation of Trojans and how many can exist in other planetary systems, stated study coauthor Itziar De Gregorio-Monsalvo, the European Southern Observatory’s head of the Office for Science in Chile, in a statement.&nbsp;

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A rare “sibling” which is likely to share a similar orbit with a Jupiter-like planet around a young star has been found by astronomers. Atacama Large Millimetre/submillimetre Array of telescopes (ALMA) has been used by researchers in Chile to observe the PDS 70 system which is located at a distance of 370 light-years from the Centaurus constellation.

A rare “sibling” which is likely to share a similar orbit with a Jupiter-like planet around a young star has been found by astronomers. Atacama Large Millimetre/submillimetre Array of telescopes (ALMA) has been used by researchers in Chile to observe the PDS 70 system which is located at a distance of 370 light-years from the Centaurus constellation. Astronomers are already aware of two Jupiter-like planets, which are called PDS 70c and PDS 70b, orbiting the star. However, they have spied a cloud of debris in the orbital path of PDS 70b which can represent a new planet's building blocks which is actively forming or already formed. The scientists feel that the planet's direct image may be the strongest evidence to date which shows that the two exoplanets can possibly share the exact same orbit. A study, in which the findings were mentioned in detail, was published in the journal Astronomy & Astrophysics on Wednesday (July 19). ALSO READ | China ambitious space programme will send taikonauts to Moon with new gen spacecraft “Two decades ago it was predicted in theory that pairs of planets of similar mass may share the same orbit around their star, the so-called Trojan or co-orbital planets. For the first time, we have found evidence in favour of that idea,” stated lead study author Olga Balsalobre-Ruza, who is a postdoctoral student of astrophysics at Madrid’s Centre for Astrobiology, in a statement. What are Trojans? The rocky space bodies which exist within the same orbit just like planets are called Trojans. Such phenomena are commonly found in all solar systems, which include a couple of them in Earth’s orbit and more than 12,000 Trojan asteroids which exist in the orbit of Jupiter as it moves around the sun. NASA’s Lucy mission, which was launched by the space agency in October 2021, will be the first to carry out a of study these never-before-seen asteroids from close. Till now, there has been sparse evidence of Trojans beyond our solar system, especially Trojan planets. “Exotrojans (Trojan planets outside the Solar System) have so far been like unicorns: they are allowed to exist by theory but no one has ever detected them,” stated study coauthor Jorge Lillo-Box, who is a researcher at the Centre for Astrobiology, in a statement. WATCH | India's gateway to outer space at Satish Dhawan Space Centre Typically, Trojans are found in Lagrangian points, which are the two extended regions within the orbit of the planet where materials can be trapped by the gravitational pull of the star and planet. The discovery has forced researchers to question the formation of Trojans and how many can exist in other planetary systems, stated study coauthor Itziar De Gregorio-Monsalvo, the European Southern Observatory’s head of the Office for Science in Chile, in a statement. You can now write for wionews.com and be a part of the community. Share your stories and opinions with us here. WATCH WION LIVE HERE

Astronomers discover rare Trojan which may share orbit with Jupiter-like planet

Astronomers said on Monday (July 10) that a scorching hot world where metal clouds rain titanium is the most reflective planet ever observed outside our solar system. This fascinating and strange world is more than 260 light years away from Earth. It reflects 80 per cent of the light it gets from its host star. The observations have been made by Europe's exoplanet-probing Cheops space telescope.

The discovery makes the exoplanet comparably shiny as Venus which is the brightest object in the night sky after the Moon.

The planet, first discovered in 2020, is the size of Neptune. This means it is considerably bigger than Earth. The planet has been called LTT9779b. It orbits its star in just 19 hours.

Because of its very close proximity to its star, the planet's side which faces the star has a temperature of 2000 degrees Celsius. This temperature is considered far too hot for clouds to form.

Yet LTT9779b seems to have them.

"It was really a puzzle," said Vivien Parmentier, a researcher at France's Cote d'Azur Observatory and co-author of a new study in the journal Astronomy and Astrophysics. Parmentier was quoted by AFP.

The researchers then "realised we should think about this cloud formation in the same way as condensation forming in a bathroom after a hot shower," he said in a statement.

Like running hot water steams up a bathroom, a scorching stream of metal and silicate -- the stuff of which glass is made -- oversaturated LTT9779b's atmosphere until metallic clouds formed, he said.

<h2>Surviving 'Neptune desert'</h2>

The planet, which is around five times the size of Earth, is an outlier in other ways.

But LTT9779b lives in a region called the "Neptune desert", where planets its size are not supposed to be found.

"It's a planet that shouldn't exist," Parmentier said.

"We expect planets like this to have their atmosphere blown away by their star, leaving behind bare rock."

The metallic clouds 'act like a mirror' and reflect away light, thus preventing the atmosphere from being blown away, as per Cheops project scientist Maximilian Guenther.

"It's a bit like a shield, like in those old Star Trek films where they have shields around their ships," he told AFP.

(With inputs from agencies)

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Astronomers said on Monday (July 10) that a scorching hot world where metal clouds rain titanium is the most reflective planet ever observed outside our solar system.

Astronomers said on Monday (July 10) that a scorching hot world where metal clouds rain titanium is the most reflective planet ever observed outside our solar system. This fascinating and strange world is more than 260 light years away from Earth. It reflects 80 per cent of the light it gets from its host star. The observations have been made by Europe's exoplanet-probing Cheops space telescope. The discovery makes the exoplanet comparably shiny as Venus which is the brightest object in the night sky after the Moon. The planet, first discovered in 2020, is the size of Neptune. This means it is considerably bigger than Earth. The planet has been called LTT9779b. It orbits its star in just 19 hours. Because of its very close proximity to its star, the planet's side which faces the star has a temperature of 2000 degrees Celsius. This temperature is considered far too hot for clouds to form. Yet LTT9779b seems to have them. "It was really a puzzle," said Vivien Parmentier, a researcher at France's Cote d'Azur Observatory and co-author of a new study in the journal Astronomy and Astrophysics. Parmentier was quoted by AFP. The researchers then "realised we should think about this cloud formation in the same way as condensation forming in a bathroom after a hot shower," he said in a statement. Like running hot water steams up a bathroom, a scorching stream of metal and silicate -- the stuff of which glass is made -- oversaturated LTT9779b's atmosphere until metallic clouds formed, he said. Surviving 'Neptune desert' The planet, which is around five times the size of Earth, is an outlier in other ways. But LTT9779b lives in a region called the "Neptune desert", where planets its size are not supposed to be found. "It's a planet that shouldn't exist," Parmentier said. "We expect planets like this to have their atmosphere blown away by their star, leaving behind bare rock." The metallic clouds 'act like a mirror' and reflect away light, thus preventing the atmosphere from being blown away, as per Cheops project scientist Maximilian Guenther. "It's a bit like a shield, like in those old Star Trek films where they have shields around their ships," he told AFP. (With inputs from agencies) You can now write for wionews.com and be a part of the community. Share your stories and opinions with us here. WATCH WION LIVE HERE ×

Astronomers discover most reflective planet that's 'like a mirror'

In a twist to the saga of whether there is the possibility of life on Venus, Jane Greaves, who has been leading a team of scientists at Cardiff University in Wales, revealed that they have discovered the presence of phosphine the atmosphere of the planet, deeper than where they had spotted it before. 
 
Greaves made the statement while speaking at the Royal Astronomical Society's National Astronomy Meeting 2023 in Cardiff this week. In September 2020, his team of scientists had reported the detection of phosphine in the clouds of Venus, which can be a possible indicator of life.

ALSO READ |&nbsp;<a href="https://www.wionews.com/science/how-did-earth-like-venus-turn-inhospitable-nasas-james-webb-space-telescope-could-help-decipher-secret-609161">How did Earth-like Venus turn inhospitable? NASA's James Webb Space Telescope could help decipher secret</a>

Greaves and her colleagues, with the use of the James Clark Maxwell Telescope (JCMT) at the Mauna Kea Observatory in Hawaii, delved deeper into the planet's atmosphere, down to the top and even the middle of the clouds present on Venus. 
 
The team believed that phosphine could be emerging from the lower level of the atmosphere on the planet. Greaves said that microorganisms that live in a very low-oxygen environment on Earth generate phosphine.

<h2>‘When all hell broke loose’ after hint of life on Venus</h2>

She stated that phosphine is not created through any other process on our planet, because of their lack of abundance of "loose" hydrogen on Earth. This theory suggests that the presence of phosphine in other worlds is a potential biosignature. 
 
This is the reason why the discovery of phosphine on Venus caused a stir three years ago. However, just the presence of phosphine in the atmosphere of Venus doesn't necessarily mean that the planet is hosting life. 
 
"There’s a big school of thought that you can make phosphine by lobbing phosphorus-bearing rocks up into the high atmosphere and kind of eroding them with water and acid and stuff and getting phosphine gas," said Greaves, during the meeting. 
 
The scientist talked about how the search for phosphine was prompted in the atmosphere of Venus and how that led to the first hint of life on the planet.

WATCH |&nbsp;First Saudi Arabian woman travels to space

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She stated that the decision of investigating Venus was taken after a study of other planets like Saturn and improved telescope technology made way for the probing of the atmospheres of smaller planets. 
 
"I vaguely remembered Venus is supposed to have this potential habitat in the high clouds, which is anaerobic, and we eventually got telescope time, so I thought, 'Why don’t we have a very quick look and see if there are some phosphates in Venus clouds, an analogue to things living on the surface of the Earth?'" said Greaves, adding, "Astonishingly, we found it, and all hell broke loose!"

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In a twist to the saga of whether there is the possibility of life on Venus, Jane Greaves, who has been leading a team of scientists at Cardiff University in Wales, revealed that they have discovered the presence of phosphine the atmosphere of the planet, deeper than where they had spotted it before.

In a twist to the saga of whether there is the possibility of life on Venus, Jane Greaves, who has been leading a team of scientists at Cardiff University in Wales, revealed that they have discovered the presence of phosphine the atmosphere of the planet, deeper than where they had spotted it before. Greaves made the statement while speaking at the Royal Astronomical Society's National Astronomy Meeting 2023 in Cardiff this week. In September 2020, his team of scientists had reported the detection of phosphine in the clouds of Venus, which can be a possible indicator of life. ALSO READ | How did Earth-like Venus turn inhospitable? NASA's James Webb Space Telescope could help decipher secret Greaves and her colleagues, with the use of the James Clark Maxwell Telescope (JCMT) at the Mauna Kea Observatory in Hawaii, delved deeper into the planet's atmosphere, down to the top and even the middle of the clouds present on Venus. The team believed that phosphine could be emerging from the lower level of the atmosphere on the planet. Greaves said that microorganisms that live in a very low-oxygen environment on Earth generate phosphine. ‘When all hell broke loose’ after hint of life on Venus She stated that phosphine is not created through any other process on our planet, because of their lack of abundance of "loose" hydrogen on Earth. This theory suggests that the presence of phosphine in other worlds is a potential biosignature. This is the reason why the discovery of phosphine on Venus caused a stir three years ago. However, just the presence of phosphine in the atmosphere of Venus doesn't necessarily mean that the planet is hosting life. "There’s a big school of thought that you can make phosphine by lobbing phosphorus-bearing rocks up into the high atmosphere and kind of eroding them with water and acid and stuff and getting phosphine gas," said Greaves, during the meeting. The scientist talked about how the search for phosphine was prompted in the atmosphere of Venus and how that led to the first hint of life on the planet. WATCH | First Saudi Arabian woman travels to space She stated that the decision of investigating Venus was taken after a study of other planets like Saturn and improved telescope technology made way for the probing of the atmospheres of smaller planets. "I vaguely remembered Venus is supposed to have this potential habitat in the high clouds, which is anaerobic, and we eventually got telescope time, so I thought, 'Why don’t we have a very quick look and see if there are some phosphates in Venus clouds, an analogue to things living on the surface of the Earth?'" said Greaves, adding, "Astonishingly, we found it, and all hell broke loose!" You can now write for wionews.com and be a part of the community. Share your stories and opinions with us here. WATCH WION LIVE HERE

Alien life on Venus? Scientists spot intriguing molecule phosphine in planet’s clouds again

Is there life beyond Earth? It is one of the most profound questions of all time. The hunt for an answer is going on for decades. A study now suggests the possibility of life existing on planets orbiting the stars of the Milky Way galaxy. One-third of the planets orbiting the most common stars across the galaxy may harbour life.

One-third of Milky Way Planets may hold conditions to support life: Study

A new study has warned that using the fat of dead pigs, cattle and chickens to make greener jet fuel will adversely affect the planet Earth.&nbsp;

Animal fats are believed to be a waste, so aviation fuel which is made using it is considered to have a lower carbon footprint.

The requirement for fuel which is made using animal by-products is likely to triple by 2030, as airlines lead the charge.

However, experts fear scarcity will lead to other industries using more palm oil, which is a huge generator of carbon emissions.

ALSO READ |&nbsp;<a href="https://www.wionews.com/world/pigs-exported-to-singapore-confirmed-to-have-african-swine-fever-virus-588391">Pigs exported to Singapore from Indonesia confirmed to have African swine fever virus</a>

Airlines have been under pressure to control their huge carbon emissions which are generally generated after fossil-based kerosene burns in aircraft engines.

However, a study released by Brussels-based Transport &amp; Environment, which is a clean transport campaign group, emphasised that not enough animals get slaughtered every year to meet the growing demand of airlines for animal fats.

"There's not a never-ending supply of animals or animal fat," stated Matt Finch from Transport &amp; Environment.

"So if you put on a massive extra demand source from anywhere from aviation, in this case, the industries where fat is currently being used, will have to look for alternatives. And that alternative is palm oil. So aviation indirectly, will be responsible for increasing the amount of palm oil being pulled through the European systems," he added.&nbsp;

<h2>How many dead pigs are needed to fuel an airplane?</h2>

As per Transport &amp; Environment, a flight from Paris to New York requires fat from 8,800 dead pigs if all the fuel to be used in the aircraft must come from animal sources.

Since the UK is likely to restrict the use of animal products, flights which will get refuelled in Britain are likely to contain small amounts of animal-derived material in their engines.

In the EU, airlines will be given a target of using six&nbsp;per cent sustainable aviation fuel for 2030 of which 1.2 per cent is likely to come from e-kerosene.&nbsp;

If the remaining 4.8 per cent of fuel is made out of animal fat, it would require around 400 dead pigs for every transatlantic flight.

WATCH |&nbsp;Indonesia confirms African Swine Fever outbreak

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Pet food manufacturers and many other industries will have to source different ingredients if a greater share of animal fat is consumed by the aviation industry.&nbsp;

"These are really valuable ingredients for us and they are hard to replace, and they're put to good use already in a very sustainable way," stated Nicole Paley, deputy chief executive of UK Pet Food, the manufacturers' trade association.&nbsp;

"So diverting these ingredients to biofuels is actually creating another problem. It would put us in competition with the aviation industry. And when it comes to the purse strings of the aviation sector, the pet food industry would find it really difficult to compete," he added.&nbsp;

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A new study has warned that using the fat of dead pigs, cattle and chickens to make greener jet fuel will adversely affect the planet Earth. Animal fats are believed to be a waste, so aviation fuel which is made using it is considered to have a lower carbon footprint.

A new study has warned that using the fat of dead pigs, cattle and chickens to make greener jet fuel will adversely affect the planet Earth. Animal fats are believed to be a waste, so aviation fuel which is made using it is considered to have a lower carbon footprint. The requirement for fuel which is made using animal by-products is likely to triple by 2030, as airlines lead the charge. However, experts fear scarcity will lead to other industries using more palm oil, which is a huge generator of carbon emissions. ALSO READ | Pigs exported to Singapore from Indonesia confirmed to have African swine fever virus Airlines have been under pressure to control their huge carbon emissions which are generally generated after fossil-based kerosene burns in aircraft engines. However, a study released by Brussels-based Transport & Environment, which is a clean transport campaign group, emphasised that not enough animals get slaughtered every year to meet the growing demand of airlines for animal fats. "There's not a never-ending supply of animals or animal fat," stated Matt Finch from Transport & Environment. "So if you put on a massive extra demand source from anywhere from aviation, in this case, the industries where fat is currently being used, will have to look for alternatives. And that alternative is palm oil. So aviation indirectly, will be responsible for increasing the amount of palm oil being pulled through the European systems," he added. How many dead pigs are needed to fuel an airplane? As per Transport & Environment, a flight from Paris to New York requires fat from 8,800 dead pigs if all the fuel to be used in the aircraft must come from animal sources. Since the UK is likely to restrict the use of animal products, flights which will get refuelled in Britain are likely to contain small amounts of animal-derived material in their engines. In the EU, airlines will be given a target of using six per cent sustainable aviation fuel for 2030 of which 1.2 per cent is likely to come from e-kerosene. If the remaining 4.8 per cent of fuel is made out of animal fat, it would require around 400 dead pigs for every transatlantic flight. WATCH | Indonesia confirms African Swine Fever outbreak Pet food manufacturers and many other industries will have to source different ingredients if a greater share of animal fat is consumed by the aviation industry. "These are really valuable ingredients for us and they are hard to replace, and they're put to good use already in a very sustainable way," stated Nicole Paley, deputy chief executive of UK Pet Food, the manufacturers' trade association. "So diverting these ingredients to biofuels is actually creating another problem. It would put us in competition with the aviation industry. And when it comes to the purse strings of the aviation sector, the pet food industry would find it really difficult to compete," he added. You can now write for wionews.com and be a part of the community. Share your stories and opinions with us here. WATCH WION LIVE HERE

Use of pig fat for green jet fuel likely to hurt planet, warn experts

An international&nbsp;team of scientists led by Professor Abhijit Chakraborty of the Physical Research Laboratory (PRL) in Ahmedabad identified the densest alien planet, 13 times the size of Jupiter.

This is the third exoplanet identified by PRL scientists. The discovery was detailed in the journal Astronomy &amp; Astrophysics Letters.

Scientists from India, Germany, Switzerland, and the United States utilised the indigenous PRL Advanced Radial-velocity Abu-sky Search spectrograph (PARAS) at Mt. Abu's Gurushikhar Observatory to precisely determine the planet's mass. The exoplanet weighs 14 g/cm3.

<h2>A Look at TOI 4603b</h2>

The newly found planet orbits a star known as TOI4603 or HD 245134, and Nasa's Transiting Exoplanet Survey Satellite (TESS) has previously identified the star as a prospective home for a secondary body of unknown type. The body has now been identified as a planet and given the designation TOI 4603b or HD 245134b, reported India Today.

The planet is 731 light years distant from Earth and revolves around its star every 7.24 days. With a temperature of 1396 degrees Celsius, the planet is scorching.

ALSO READ |&nbsp;<a href="https://www.wionews.com/science/uae-set-to-land-spacecraft-on-asteroid-between-mars-and-jupiter-in-2034-598273">UAE set to land spacecraft on asteroid between Mars and Jupiter in 2034</a>

As per the Indian Space Research Organisation (ISRO), what distinguishes this finding is that it falls into the transition mass region between huge giant planets and low-mass brown dwarfs.

The masses of these planets vary from 11 to 16 times that of Jupiter, and fewer than five exoplanets in this mass range are currently known.

While the quest for life beyond Earth continues, scientists have identified over 5,000 exoplanets beyond the solar system with varying natures, features, and atmospheres.

The recently discovered exoplanet TOI 4603b is one of the most massive and dense giant planets, orbiting its home star at a distance less than one-tenth that of our Sun.

"The detection of such systems provides valuable insights into the formation, migration, and evolution mechanisms of massive exoplanets," ISRO&nbsp;said.

ALSO READ |&nbsp;<a href="https://www.wionews.com/science/nasa-james-webb-telescope-spots-saturns-moon-blasting-huge-plumes-of-life-containing-water-into-space-597526">NASA's James Webb Telescope spots Saturn's moon blasting 'huge plumes' of life-containing water into space</a>

<h2 itemprop="headline">New Earth-sized planet discovered</h2>

A new Earth-sized planet has been discovered approximately 90 light-years away&nbsp;from us. In astronomical terms, that's right next door. Furthermore, it may be capable of maintaining life, reported New Atlas.

Astronomers discovered LP 791-18d using ground- and space-based investigations by NASA's Transiting Exoplanet Survey Satellite (TESS) and its now-retired Spitzer Space Telescope.

LP 791-18d circles a tiny red dwarf star approximately 90 light-years distant in the constellation Crater in the southern celestial hemisphere. The scientists that discovered the planet calculated its mass by comparing the time it takes the planet to orbit its home star. These orbits are caused by the gravitational attraction of the other planets in the system.

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An international team of scientists led by Professor Abhijit Chakraborty of the Physical Research Laboratory (PRL) in Ahmedabad identified the densest alien planet, 13 times the size of Jupiter.

An international team of scientists led by Professor Abhijit Chakraborty of the Physical Research Laboratory (PRL) in Ahmedabad identified the densest alien planet, 13 times the size of Jupiter. This is the third exoplanet identified by PRL scientists. The discovery was detailed in the journal Astronomy & Astrophysics Letters. Scientists from India, Germany, Switzerland, and the United States utilised the indigenous PRL Advanced Radial-velocity Abu-sky Search spectrograph (PARAS) at Mt. Abu's Gurushikhar Observatory to precisely determine the planet's mass. The exoplanet weighs 14 g/cm3. A Look at TOI 4603b The newly found planet orbits a star known as TOI4603 or HD 245134, and Nasa's Transiting Exoplanet Survey Satellite (TESS) has previously identified the star as a prospective home for a secondary body of unknown type. The body has now been identified as a planet and given the designation TOI 4603b or HD 245134b, reported India Today. The planet is 731 light years distant from Earth and revolves around its star every 7.24 days. With a temperature of 1396 degrees Celsius, the planet is scorching. ALSO READ | UAE set to land spacecraft on asteroid between Mars and Jupiter in 2034 As per the Indian Space Research Organisation (ISRO), what distinguishes this finding is that it falls into the transition mass region between huge giant planets and low-mass brown dwarfs. The masses of these planets vary from 11 to 16 times that of Jupiter, and fewer than five exoplanets in this mass range are currently known. While the quest for life beyond Earth continues, scientists have identified over 5,000 exoplanets beyond the solar system with varying natures, features, and atmospheres. The recently discovered exoplanet TOI 4603b is one of the most massive and dense giant planets, orbiting its home star at a distance less than one-tenth that of our Sun. "The detection of such systems provides valuable insights into the formation, migration, and evolution mechanisms of massive exoplanets," ISRO said. ALSO READ | NASA's James Webb Telescope spots Saturn's moon blasting 'huge plumes' of life-containing water into space New Earth-sized planet discovered A new Earth-sized planet has been discovered approximately 90 light-years away from us. In astronomical terms, that's right next door. Furthermore, it may be capable of maintaining life, reported New Atlas. Astronomers discovered LP 791-18d using ground- and space-based investigations by NASA's Transiting Exoplanet Survey Satellite (TESS) and its now-retired Spitzer Space Telescope. LP 791-18d circles a tiny red dwarf star approximately 90 light-years distant in the constellation Crater in the southern celestial hemisphere. The scientists that discovered the planet calculated its mass by comparing the time it takes the planet to orbit its home star. These orbits are caused by the gravitational attraction of the other planets in the system. WATCH WION LIVE HERE:

Indian scientists discover gigantic alien planet, 13 times bigger than Jupiter

A new generation of weather satellites orbits the earth, as it produces its first image of our planet. Eric Njoka brings you the report.

New generation weather satellites orbit earth

Scientists say that they have observed a dying star swallowing a planet for the first time, offering a preview of Earth's expected fate in around five billion years. Astronomers had previously seen the before-and-after effects of this process, but had never before caught a planet in the act of being consumed.

How our sun will swallow the earth

First glimpse of Earth's likely end

Scientists for the first time, witnessed a star gulping down a whole planet, giving them a glimpse of how the Earth may reach its end after billions of years when the sun runs out of fuel.&nbsp;

Astronomers reported that they observed what appeared to them a gas giant, which was bigger than Jupiter, getting eaten by its own star. The star, similar to the sun, was seen puffing up with old age for eons and eventually, its size swelled so big that it ended up engulfing the close-orbiting planet.

The act of a star gobbling up its own planet appeared to be a gloomy preview of how the Earth would end when the sun turns into a red giant and eats up the initial four inner planets.

ALSO READ | <a href="https://www.wionews.com/science/a-massive-tornado-on-the-sun-the-height-of-14-earths-caught-on-camera-574514">A massive 'tornado' on the sun, the height of 14 Earths, caught on camera</a>

"If it's any consolation, this will happen in about 5 billion years," said Harvard-Smithsonian Centre for Astrophysics' co-author Morgan MacLeod.

The galactic feast took place between 10,000 and 15,000 years ago close to the Aquila constellation after the star completed its 10 billion years. After the planet went down the stellar hatch, a swift hot outburst of light took place and a long-lasting stream of dust was seen which shined brightly in cold infrared energy, the researchers stated.&nbsp;

The researchers have earlier seen signs of stars nibbling at planets and decoded the aftermath of gobbling, however, it was the first time they saw the act of swallowing, as per the study which appeared in the journal Nature.

The luminous outburst was spotted by Massachusetts Institute of Technology researcher Kishalay De while reviewing sky scans which were captured by the California Institute of Technology's Palomar Observatory. Data crunching and additional observations were needed to unravel the mystery which revealed that the star, instead of eating up its companion star, gobbled up its planet.

WATCH | China is making a 'mini sun' as global fusion race heats up | World News | WION

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The discoveries made are "very plausible," stated Carole Haswell, an astrophysicist at Britain's Open University. Haswell had headed a team in 2010 which used the Hubble Space Telescope to spot the star WASP-12 which was eating its planet.

"This is a different sort of eating. This star gobbled a whole planet in one gulp. In contrast, WASP-12 b and the other hot Jupiters we have previously studied are being delicately licked and nibbled," Haswell said.&nbsp;

Now that the researchers have figured out what they need to look out for, they will try finding more cosmic gulps. The researchers feel that thousands of planets may suffer a similar fate, and something similar may occur in our solar system.&nbsp;

"All that we see around us, all the stuff that we've built around us, this will all be gone in a flash," said De.&nbsp; 
 
(With inputs from agencies)

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Scientists for the first time, witnessed a star gulping down a whole planet, giving them a glimpse of how the Earth may reach its end after billions of years when the sun runs out of fuel.

Scientists for the first time, witnessed a star gulping down a whole planet, giving them a glimpse of how the Earth may reach its end after billions of years when the sun runs out of fuel. Astronomers reported that they observed what appeared to them a gas giant, which was bigger than Jupiter, getting eaten by its own star. The star, similar to the sun, was seen puffing up with old age for eons and eventually, its size swelled so big that it ended up engulfing the close-orbiting planet. The act of a star gobbling up its own planet appeared to be a gloomy preview of how the Earth would end when the sun turns into a red giant and eats up the initial four inner planets. ALSO READ | A massive 'tornado' on the sun, the height of 14 Earths, caught on camera "If it's any consolation, this will happen in about 5 billion years," said Harvard-Smithsonian Centre for Astrophysics' co-author Morgan MacLeod. The galactic feast took place between 10,000 and 15,000 years ago close to the Aquila constellation after the star completed its 10 billion years. After the planet went down the stellar hatch, a swift hot outburst of light took place and a long-lasting stream of dust was seen which shined brightly in cold infrared energy, the researchers stated. The researchers have earlier seen signs of stars nibbling at planets and decoded the aftermath of gobbling, however, it was the first time they saw the act of swallowing, as per the study which appeared in the journal Nature. The luminous outburst was spotted by Massachusetts Institute of Technology researcher Kishalay De while reviewing sky scans which were captured by the California Institute of Technology's Palomar Observatory. Data crunching and additional observations were needed to unravel the mystery which revealed that the star, instead of eating up its companion star, gobbled up its planet. WATCH | China is making a 'mini sun' as global fusion race heats up | World News | WION The discoveries made are "very plausible," stated Carole Haswell, an astrophysicist at Britain's Open University. Haswell had headed a team in 2010 which used the Hubble Space Telescope to spot the star WASP-12 which was eating its planet. "This is a different sort of eating. This star gobbled a whole planet in one gulp. In contrast, WASP-12 b and the other hot Jupiters we have previously studied are being delicately licked and nibbled," Haswell said. Now that the researchers have figured out what they need to look out for, they will try finding more cosmic gulps. The researchers feel that thousands of planets may suffer a similar fate, and something similar may occur in our solar system. "All that we see around us, all the stuff that we've built around us, this will all be gone in a flash," said De. (With inputs from agencies) You can now write for wionews.com and be a part of the community. Share your stories and opinions with us here. WATCH WION LIVE HERE

Sun-like star swallows entire planet, gives glimpse of Earth’s fate to astronomers

A new planet outside the solar system was discovered using &nbsp;Artificial Intelligence (AI) technology, in what can be called as a major success achieved by AI, which has been making headlines these days.&nbsp;

The technology was put into use by the astronomers to discover the new planet, which gave a major boost to machine learning.&nbsp;

Researchers, working at the University of Georgia, said that the discovery of a previously unknown planet which was present outside our solar system took place using the technology.&nbsp;

These are the first few steps that AI has taken in the world of astronomy and planet discovery, hinting at the amount of success it may achieve in the near future. With the discovery, the AI proved itself to be a tool which can be potentially used across a range of fields.&nbsp;

ALSO READ | <a href="https://www.wionews.com/technology/russia-enters-ai-race-with-chatgpt-contender-called-gigachat-585806">Russia enters AI race with ChatGPT contender called GigaChat</a>

“We confirmed the planet using traditional techniques, but our models directed us to run those simulations and showed us exactly where the planet might be,” said Jason Terry, who has been enrolled as a doctoral student at the UGA Franklin College of Arts and Sciences, in a statement.&nbsp;

The discovery of a new planet has made a new addition to the ever-increasing catalogue of more than 5,000 exoplanets which have been discovered outside the solar system.

The planet's discovery has been detailed in a study which was published in The Astrophysical Journal, which has been detected around a star named HD 142666.&nbsp;

Researchers stated that machine learning and AI have revealed new processes which underline the evolution and formation of planetary systems.

The newly-discovered planet's signal was detected by AI from the data which the astronomers had previously analysed, but the planet remained unnoticed.&nbsp;

WATCH | Snapchat under fire for releasing AI chatbot

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It took just around an hour for the AI to go through the data and point out the strong evidence which confirms the presence of a new planet in a specific spot.&nbsp;

“When we applied our models to a set of older observations, they identified a disk that wasn’t known to have a planet despite having already been analysed. Like previous discoveries, we ran simulations of the disk and found that a planet could re-create the observation,” added Jason.&nbsp;

The model which was processed using AI technology suggested that the planet is present in a particular region of the disk.

“This is an incredibly exciting proof of concept. We knew from our previous work that we could use machine learning to find known forming exoplanets. Now, we know for sure that we can use it to make brand new discoveries,” stated Cassandra Hall, principal investigator of the Exoplanet and Planet Formation Research Group at UGA.&nbsp;

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A new planet outside the solar system was discovered using Artificial Intelligence (AI) technology, in what can be called as a major success achieved by AI, which has been making headlines these days.

A new planet outside the solar system was discovered using Artificial Intelligence (AI) technology, in what can be called as a major success achieved by AI, which has been making headlines these days. The technology was put into use by the astronomers to discover the new planet, which gave a major boost to machine learning. Researchers, working at the University of Georgia, said that the discovery of a previously unknown planet which was present outside our solar system took place using the technology. These are the first few steps that AI has taken in the world of astronomy and planet discovery, hinting at the amount of success it may achieve in the near future. With the discovery, the AI proved itself to be a tool which can be potentially used across a range of fields. ALSO READ | Russia enters AI race with ChatGPT contender called GigaChat “We confirmed the planet using traditional techniques, but our models directed us to run those simulations and showed us exactly where the planet might be,” said Jason Terry, who has been enrolled as a doctoral student at the UGA Franklin College of Arts and Sciences, in a statement. The discovery of a new planet has made a new addition to the ever-increasing catalogue of more than 5,000 exoplanets which have been discovered outside the solar system. The planet's discovery has been detailed in a study which was published in The Astrophysical Journal, which has been detected around a star named HD 142666. Researchers stated that machine learning and AI have revealed new processes which underline the evolution and formation of planetary systems. The newly-discovered planet's signal was detected by AI from the data which the astronomers had previously analysed, but the planet remained unnoticed. WATCH | Snapchat under fire for releasing AI chatbot It took just around an hour for the AI to go through the data and point out the strong evidence which confirms the presence of a new planet in a specific spot. “When we applied our models to a set of older observations, they identified a disk that wasn’t known to have a planet despite having already been analysed. Like previous discoveries, we ran simulations of the disk and found that a planet could re-create the observation,” added Jason. The model which was processed using AI technology suggested that the planet is present in a particular region of the disk. “This is an incredibly exciting proof of concept. We knew from our previous work that we could use machine learning to find known forming exoplanets. Now, we know for sure that we can use it to make brand new discoveries,” stated Cassandra Hall, principal investigator of the Exoplanet and Planet Formation Research Group at UGA. You can now write for wionews.com and be a part of the community. Share your stories and opinions with us here. WATCH WION LIVE HERE

Astronomical intelligence? AI discovers new planet beyond our solar system

Four human beings will fulfil their dream as they will start living under a Mars-simulated environment&nbsp;this summer, taking ahead the efforts made by engineers and scientists to make it possible to send humans to the red planet and make it a habitable place to survive.

The four volunteers have been part of the year-long mission under which humans are being prepared for the red planet's exploration.

The humans will survive in a habitat that will simulate the climatic conditions similar to what they will face on Mars when they actually set foot on the planet in the near future.

The 3D-printed habitat will include a kitchen, private crew quarters, areas dedicated to fitness, recreation, medical, crop growth activities and work, along with a technical work area as well as two bathrooms.

ALSO READ | <a href="https://www.wionews.com/science/a-martian-aurora-nasas-curiosity-captures-heavenly-sun-rays-on-mars-569795">A Martian Aurora? NASA's Curiosity captures heavenly sun rays on Mars</a>

The crew will begin living in their Martian home in June this year as the most accurate data is collected by the teams during the analogue mission

"During the simulation, crew members will carry out different types of mission activities, including simulated spacewalks, robotic operations, habitat maintenance, personal hygiene, exercise, and crop growth," said NASA in a statement.

The volunteers will face environmental stressors like isolation, resource limitations, and equipment failure along with a significant workload so as to experience all possible situations the humans may have to face when they actually arrive on Mars.

"The major crew activities during the analogue may consist of simulated spacewalks including virtual reality, communications, crop growth, meal preparation and consumption, exercise, hygiene activities, maintenance work, personal time, science work, and sleep," said NASA in its mission brief.

The volunteers will spend their time remotely operating robotic elements which will be important for real crews during their Mars expedition to extend their exploration capabilities. They will also be given the responsibility of controlling a roving robot and a helicopter-like drone.

WATCH | Is an alien looking at us from Mars?

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Three such analogue missions are being planned by the American space agency to get a better understanding of what is required to inhabit our next-door cosmic neighbour. While they are commencing the analogue mission this year, they will conduct the second mission in 2025 which will be followed up by a third mission in 2026.

“We’re really looking at how the crew performance and health changes based on realistic Mars restrictions and the lifestyle of the crew members. So, the lifestyle is what we're trying to simulate by setting up a realistic environment and workload for the CHAPEA crew,” said Raina MacLeod, CHAPEA deputy project manager.

(With inputs from agencies)

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Four human beings will fulfil their dream as they will start living under a Mars-simulated environment this summer, taking ahead the efforts made by engineers and scientists to make it possible to send humans to the red planet and make it a habitable place to survive.

Four human beings will fulfil their dream as they will start living under a Mars-simulated environment this summer, taking ahead the efforts made by engineers and scientists to make it possible to send humans to the red planet and make it a habitable place to survive. The four volunteers have been part of the year-long mission under which humans are being prepared for the red planet's exploration. The humans will survive in a habitat that will simulate the climatic conditions similar to what they will face on Mars when they actually set foot on the planet in the near future. The 3D-printed habitat will include a kitchen, private crew quarters, areas dedicated to fitness, recreation, medical, crop growth activities and work, along with a technical work area as well as two bathrooms. ALSO READ | A Martian Aurora? NASA's Curiosity captures heavenly sun rays on Mars The crew will begin living in their Martian home in June this year as the most accurate data is collected by the teams during the analogue mission "During the simulation, crew members will carry out different types of mission activities, including simulated spacewalks, robotic operations, habitat maintenance, personal hygiene, exercise, and crop growth," said NASA in a statement. The volunteers will face environmental stressors like isolation, resource limitations, and equipment failure along with a significant workload so as to experience all possible situations the humans may have to face when they actually arrive on Mars. "The major crew activities during the analogue may consist of simulated spacewalks including virtual reality, communications, crop growth, meal preparation and consumption, exercise, hygiene activities, maintenance work, personal time, science work, and sleep," said NASA in its mission brief. The volunteers will spend their time remotely operating robotic elements which will be important for real crews during their Mars expedition to extend their exploration capabilities. They will also be given the responsibility of controlling a roving robot and a helicopter-like drone. WATCH | Is an alien looking at us from Mars? Three such analogue missions are being planned by the American space agency to get a better understanding of what is required to inhabit our next-door cosmic neighbour. While they are commencing the analogue mission this year, they will conduct the second mission in 2025 which will be followed up by a third mission in 2026. “We’re really looking at how the crew performance and health changes based on realistic Mars restrictions and the lifestyle of the crew members. So, the lifestyle is what we're trying to simulate by setting up a realistic environment and workload for the CHAPEA crew,” said Raina MacLeod, CHAPEA deputy project manager. (With inputs from agencies) You can now write for wionews.com and be a part of the community. Share your stories and opinions with us here. WATCH WION LIVE HERE

A real-life Martian? Four humans to start 'living on Mars'

Planets Mercury, Venus, Mars, Jupiter, and Uranus aligned with the Moon forming an arc across Monday's evening sky, with some being clearly visible to the naked eye of humans.

Such an alignment is often termed "a planetary parade" and was visible to people after sunset in the west. Clear skies and a good view of the horizon gave people the best chance to see the alignment of planets.

Last summer, Jupiter, Saturn, Mars, Venus and Mercury had come together in what was said to be a rare planetary conjunction. The best way to spot the planets in alignment on Monday was to travel away from the city's bright light to someplace with an unobstructed, clear view.

ALSO READ | <a href="https://www.wionews.com/trending/rare-treat-for-skywatchers-all-solar-system-planets-visible-to-the-naked-eye-547558">Rare 'treat' for skywatchers: All solar system planets visible to the naked eye</a>

The planets needed to be spotted early in the evening because Jupiter and Mercury disappeared quickly over the horizon. People got some of the best views from Scotland's northern parts and its islands due to the clear skies.

Astronomer Royal for Scotland's Prof Catherine Heymans viewed the spectacle from Portobello beach in Edinburgh.

"Planet spotting on a crystal clear night along with so many other planetary parade enthusiasts was an absolute delight!" she said.

Royal Observatory Greenwich's astronomer Jake Foster said that such alignments of planets are very particular to the perspective we get from Earth.

"The planets aren't aligned right now, they are all spread out across the Solar System but just from our perspective, every once in a while they get close enough to each other in the sky that we're able to see quite a few at once," he added.

Anglesey, which is situated in north Wales, has some of Europe's darkest skies.

North Wales' dark skies officer Dani Robertson, speaking from Anglesey, said that evening was a visual treat even after a slight cloudy haze.

WATCH | Gravitas: The Earth has a hidden layer. Here's what it's called

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"I'm in my back garden and I can see a very nice little crescent Moon, to the top left and just above it I can see Mars, which has a lovely red glow, and a bit lower towards the horizon there's a really bright light and that's Venus. If it were clearer, I could see all of it, the only one you wouldn't be able to see is Uranus, you'd need a telescope,” she said.

Kielder Observatory's Dan Pye from Hexham, near Scotland's border, said that looking at the planets in alignment gave us a perspective about where are we placed in the solar system.

"Over the course of the night, the distance between these objects shifts as the moon goes around us, we move a little further around the sun, and the planets continue their journeys around the sun. I think witnessing this helps you realise that connection we have to the cosmic ballet we have with other objects in just our very local space theatre,” he said.

(With inputs from agencies)

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Planets Mercury, Venus, Mars, Jupiter, and Uranus aligned with the Moon forming an arc across Monday's evening sky, with some being clearly visible to the naked eye of humans.

Planets Mercury, Venus, Mars, Jupiter, and Uranus aligned with the Moon forming an arc across Monday's evening sky, with some being clearly visible to the naked eye of humans. Such an alignment is often termed "a planetary parade" and was visible to people after sunset in the west. Clear skies and a good view of the horizon gave people the best chance to see the alignment of planets. Last summer, Jupiter, Saturn, Mars, Venus and Mercury had come together in what was said to be a rare planetary conjunction. The best way to spot the planets in alignment on Monday was to travel away from the city's bright light to someplace with an unobstructed, clear view. ALSO READ | Rare 'treat' for skywatchers: All solar system planets visible to the naked eye The planets needed to be spotted early in the evening because Jupiter and Mercury disappeared quickly over the horizon. People got some of the best views from Scotland's northern parts and its islands due to the clear skies. Astronomer Royal for Scotland's Prof Catherine Heymans viewed the spectacle from Portobello beach in Edinburgh. "Planet spotting on a crystal clear night along with so many other planetary parade enthusiasts was an absolute delight!" she said. Royal Observatory Greenwich's astronomer Jake Foster said that such alignments of planets are very particular to the perspective we get from Earth. "The planets aren't aligned right now, they are all spread out across the Solar System but just from our perspective, every once in a while they get close enough to each other in the sky that we're able to see quite a few at once," he added. Anglesey, which is situated in north Wales, has some of Europe's darkest skies. North Wales' dark skies officer Dani Robertson, speaking from Anglesey, said that evening was a visual treat even after a slight cloudy haze. WATCH | Gravitas: The Earth has a hidden layer. Here's what it's called "I'm in my back garden and I can see a very nice little crescent Moon, to the top left and just above it I can see Mars, which has a lovely red glow, and a bit lower towards the horizon there's a really bright light and that's Venus. If it were clearer, I could see all of it, the only one you wouldn't be able to see is Uranus, you'd need a telescope,” she said. Kielder Observatory's Dan Pye from Hexham, near Scotland's border, said that looking at the planets in alignment gave us a perspective about where are we placed in the solar system. "Over the course of the night, the distance between these objects shifts as the moon goes around us, we move a little further around the sun, and the planets continue their journeys around the sun. I think witnessing this helps you realise that connection we have to the cosmic ballet we have with other objects in just our very local space theatre,” he said. (With inputs from agencies) You can now write for wionews.com and be a part of the community. Share your stories and opinions with us here. WATCH WION LIVE HERE

Planetary Parade | Five planets come in rare alignment along with Moon in night sky

NASA's James Webb Space Telescope has been up and running for a while now. It is bringing us pics from all corners of the universe. The humanity's eye in the sky has now sent us images of 'sand' clouds in the atmosphere of a faraway planet that revolves not one but two stars.&nbsp;

A team of researchers led by Brittany Miles of the University of Arizona detected these clouds, said NASA. The team, using the James Webb Space Telescope (JWST), detected the 'silicate cloud features' in the atmosphere of the planet which has been catalogued as VHS 1256 b. The clouds are constantly moving, rising and mixing in the atmosphere. Hotter material is pushed up while the colder is pushed down.

In addition to the 'sand clouds' the team of researchers has also found presence of water, methane, and carbon monoxide.

VHS 1256 b is 40 lightyears away and revolves around two stars over 10,000 years.

“VHS 1256 b is about four times farther from its stars than Pluto is from our Sun, which makes it a great target for Webb,” said Miles “That means the planet’s light is not mixed with light from its stars.” Higher up in its atmosphere, where the silicate clouds are churning, temperatures reach a scorching 1,500 degrees Fahrenheit (830 degrees Celsius).

Miles was quoted by NASA.

"The finer silicate grains in its atmosphere may be more like tiny particles in smoke,” said noted co-author Beth Biller of the University of Edinburgh, as quoted by NASA “The larger grains might be more like very hot, very small sand particles.”

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NASA's James Webb Space Telescope has been up and running for a while now. It is bringing us pics from all corners of the universe. The humanity's eye in the sky has now sent us images of 'sand' clouds in the atmosphere of a faraway planet that revolves not one but two stars.

NASA's James Webb Space Telescope has been up and running for a while now. It is bringing us pics from all corners of the universe. The humanity's eye in the sky has now sent us images of 'sand' clouds in the atmosphere of a faraway planet that revolves not one but two stars. A team of researchers led by Brittany Miles of the University of Arizona detected these clouds, said NASA. The team, using the James Webb Space Telescope (JWST), detected the 'silicate cloud features' in the atmosphere of the planet which has been catalogued as VHS 1256 b. The clouds are constantly moving, rising and mixing in the atmosphere. Hotter material is pushed up while the colder is pushed down. In addition to the 'sand clouds' the team of researchers has also found presence of water, methane, and carbon monoxide. VHS 1256 b is 40 lightyears away and revolves around two stars over 10,000 years. “VHS 1256 b is about four times farther from its stars than Pluto is from our Sun, which makes it a great target for Webb,” said Miles “That means the planet’s light is not mixed with light from its stars.” Higher up in its atmosphere, where the silicate clouds are churning, temperatures reach a scorching 1,500 degrees Fahrenheit (830 degrees Celsius). Miles was quoted by NASA. "The finer silicate grains in its atmosphere may be more like tiny particles in smoke,” said noted co-author Beth Biller of the University of Edinburgh, as quoted by NASA “The larger grains might be more like very hot, very small sand particles.” You can now write for wionews.com and be a part of the community. Share your stories and opinions with us here. WATCH WION LIVE HERE ×

This planet has 'sand' clouds and it orbits two stars

Scientists with NASA announced they have discovered an Earth-sized planet that is likely rocky and could be habitable. The planet, named TOI 700 e, is slightly smaller than Earth and orbits a red dwarf star called TOI 700 about 102 light-years away.

NASA discovers new exoplanet TOI 700 e 102 light years away

Our planet is already witnessing climate-related disasters. @mollygambhir tells you what Artificial Intelligence has predicted about our planet's future.

Earth set to exceed 1.5°C soon?

Every year on October 9, people all over the world commemorate World Post Day to raise awareness of how important the postal service is to daily life. The day also strives to raise public awareness of the beneficial contributions the postal industry has made to global economic and social advancement.

The Universal Postal Union (UPU), which was founded on October 9 in 1874 in Bern, the Swiss capital, celebrates its anniversary this year. The UPU Congress, which met in Tokyo, Japan, in 1969, designated&nbsp;October 9 as the first "World Post Day." Since then, numerous nations have chosen the day to launch or advertise fresh postal goods and services.

World Post Day 2022 will have the theme "Post for Planet."

<a href="https://www.wionews.com/world/putin-to-chair-security-council-meeting-on-monday-reports-523805">The United Nations</a> (UN) - announcing the theme for this year - in a statement said, “Although the circular economy may no longer be a new concept, it is now more clear than ever that we must align with the principles of the circular economy; we must raise awareness of the Post’s potential to tackle the climate crisis, and we must drive overall resource mobilization across sectors.”

World Post Day has been observed in various ways by more than 150 nations. The day is commemorated as a working holiday in certain nations. The UN claims that in some regions, industry workers are also paid for providing good service.

Also read |&nbsp;<a href="https://www.wionews.com/world/harvey-weinstein-back-on-trial-five-years-after-metoo-movement-shook-up-the-world-523770">Harvey Weinstein back on trial, five years after #MeToo movement shook the world</a>

Many philatelic exhibitions are held on this day, and new stamps and date cancellation marks are also released. The UN listed such events including conferences, seminars, workshops, the posting of World Post Day posters in post offices and other public locations, open days at post offices, mail centres, and postal museums, as well as cultural, sporting, and other leisure activities. Additionally, certain postal administrations offer unique mementos like T-shirts and badges.

On this day in 2015, nations from all around the world vowed to cooperate in order to achieve the sustainable development objectives, which include reversing climate change, eradicating extreme poverty and hunger, and combating inequality and injustice.

(With inputs from agencies)

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Every year on October 9, people all over the world commemorate World Post Day to raise awareness of how important the postal service is to daily life. The day also strives to raise public awareness of the beneficial contributions the postal industry has made to global economic and social advancement.

Every year on October 9, people all over the world commemorate World Post Day to raise awareness of how important the postal service is to daily life. The day also strives to raise public awareness of the beneficial contributions the postal industry has made to global economic and social advancement. The Universal Postal Union (UPU), which was founded on October 9 in 1874 in Bern, the Swiss capital, celebrates its anniversary this year. The UPU Congress, which met in Tokyo, Japan, in 1969, designated October 9 as the first "World Post Day." Since then, numerous nations have chosen the day to launch or advertise fresh postal goods and services. World Post Day 2022 will have the theme "Post for Planet." The United Nations (UN) - announcing the theme for this year - in a statement said, “Although the circular economy may no longer be a new concept, it is now more clear than ever that we must align with the principles of the circular economy; we must raise awareness of the Post’s potential to tackle the climate crisis, and we must drive overall resource mobilization across sectors.” World Post Day has been observed in various ways by more than 150 nations. The day is commemorated as a working holiday in certain nations. The UN claims that in some regions, industry workers are also paid for providing good service. Also read | Harvey Weinstein back on trial, five years after #MeToo movement shook the world Many philatelic exhibitions are held on this day, and new stamps and date cancellation marks are also released. The UN listed such events including conferences, seminars, workshops, the posting of World Post Day posters in post offices and other public locations, open days at post offices, mail centres, and postal museums, as well as cultural, sporting, and other leisure activities. Additionally, certain postal administrations offer unique mementos like T-shirts and badges. On this day in 2015, nations from all around the world vowed to cooperate in order to achieve the sustainable development objectives, which include reversing climate change, eradicating extreme poverty and hunger, and combating inequality and injustice. (With inputs from agencies) WATCH WION LIVE HERE:

'Post for Planet': A reminder of the history and relevance of World Post Day

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