It takes approximately 50 minutes to fully reload an S-400 launcher, though highly trained crews can reduce this to 30 minutes. The process requires a specialised 22T6 transloader crane, creating a dangerous vulnerability window during combat.

How long does it take to reload an S-400 launcher?

From Muttiah Muralitharan to Malcolm Marshall, here's a look at top five bowlers fastest to take 300 wickets in Test cricket. This list also includes Ravichandran Ashwin, Dennis Lillee and Richard Hadlee

Meet top 5 bowlers fastest to 300 Test wickets

To intercept an ICBM, an S-400 missile would need to exceed Mach 20 (24,000 km/h) to catch the hypersonic re-entry vehicle. The current 40N6E missile peaks at Mach 14, forcing Russia to build the S-500 Prometheus for true intercontinental defence.

How fast would an S-400 missile need to be to intercept an ICBM?

An ICBM is significantly faster than any S-400 missile. Strategic ICBMs reach staggering velocities of Mach 20 to Mach 25 (30,000 km/h) in space, easily outpacing the S-400's fastest interceptor, the 40N6E, which peaks at Mach 14 (17,000 km/h).

ICBM vs S-400 missile: Which one is actually faster?

The S-400's famous 400-km range only applies to aircraft. Against ballistic missiles, its protection envelope shrinks to a 60-km radius (11,300 sq km) due to the extreme speed of incoming threats, forcing it into a strict point-defence role.

How much territory could an S-400 actually protect from a ballistic missile?

'Red Monsters': NASA’s James Webb Telescope discovers 12.8-billion-year-old galaxies

Three Massive Galaxies

Galaxy Formation Models

Characteristics

Star Formation

Early Cosmic Conditions

JWST’s Capabilities

Future Research

The James Webb Space Telescope (JWST) has detected three massive "red monster" galaxies, each with a mass approximately 100 billion times that of the Sun. 

'Vaccum Cleaner': NASA to deploy a new instrument for soil collection and Moon exploration

Soil Collection Tool 

Revolutionary Technology

Key Role

Enhances Efficiency

Resource Mapping

Flight Center

Lunar Research

NASA, in partnership with Honeybee Robotics, has introduced the LPV, a new device designed to simplify and enhance lunar soil collection for the Artemis Moon missions.

What is ISRO's 'Baahubali' rocket?

Designation and Name

Technical Specifications

Physical Dimensions

Launch History

Notable Missions

Future Prospects

Development and Cost

ISRO refers to its heaviest and most powerful rocket as the Geosynchronous Satellite Launch Vehicle Mark III (GSLV Mk III), commonly known as the 'Bahubali' rocket.

’48 light-years away’: NASA’s James Webb Telescope discovers new class of planets unlike any in our solar system

 New Planetary Type

Exoplanet Study

GJ 1214 b

Carbon-Dominated Atmosphere

Advanced Simulations

Small but Significant Signals

The James Webb Space Telescope has discovered a completely new class of exoplanet. This discovery could reshape existing planetary classifications. 

'13 billion light-years away: NASA's James Webb Telescope detects mysterious emission from deep space

Distant Galaxy

ALMA and JWST

First-Time Detection

Galaxy GHZ2

 Key Insights

Low Metallicity

Cosmic Evolution 

Astronomers have successfully detected emissions from one of the most distant galaxies known, located over 13 billion light-years from Earth. 

'Light pollution': This clean energy project can blind the world's largest space telescope

Threat to VLT

Reduced Observing Capabilities

Paranal Observatory

INNA Project Details

Relocation of INNA Project 

Joke 1 by Desi Lydic, American comedian and actress

Decision Pending

Astronomers are concerned about potential light pollution from the proposed INNA renewable hydrogen manufacturing complex where the ESO's Very Large Telescope is located

'Light Pollution': This clean energy project could blind the world's largest space telescope

'Massive Fusion Reactor': Will Sun swallow all life on Earth one day?

Earth’s Fate 

Sun's Current Status

Hydrogen Supply

A Red Giant 

Earth’s Potential Fate

Sun’s Transition

Future of Sun

Scientists have long studied the life cycle of stars, and a recent discovery has shed light on the eventual demise of our Sun, which will have profound consequences for Earth. 

’Looks like a water tank’: Pakistan launches EO-1 satellite, netizens spark meme fest over its design

Pakistan's EO-1 Satellite

The Achievement 

Deputy Prime Minister

Social Media Response

Benefit Multiple Sectors 

Peaceful Purposes 

Government Focus

Pakistan successfully launched its first indigenously developed Electro-Optical (EO-1) satellite from China’s Jiuquan Satellite Launch Centre on Friday. 


Forget Earth, ISRO is growing 'food' in space! Here is why

Milestone in Space

CROPS Experiment

POEM-4 

Crop Research

Multi-Phase CROPS Program

ISRO's PSLV-C60

Space Colonisation

The CROPS experiment successfully germinated cowpea seeds in just four days. The experiment aims to understand how plants grow in microgravity.


Can a spacewalk turn fatal for NASA’s Sunita Williams?

Upcoming Spacewalk

ISS Upgrades

Health Impacts

Long Duration

Sara Ali Khan and Aditya Roy Kapur

Spacewalk Begins

The Importance

The spacewalks Sunita Williams is engaged in, involve significant tasks such as replacing a rate gyro assembly and installing protective patches on the NICER telescope. 


'Time Machine': Scientists discover massive ice core that could unlock secrets of ancient Earth's climate 

Ice Core Discovery

Record of Earth's Climate

"Time Machine"

Importance of Air Bubbles

Investigating Climate Shifts

Storing the Ice Core

Drilling Operation

Exploring Older Ice 

An international research team has retrieved a 9,186-foot-long (2,800 metre) ice core from East Antarctica. The core was collected from a site known as Little Dome C

'Time Machine': Scientists discover massive ice core that could unlock secrets of ancient Earth's climate

'4.6-billion-years old': This meteor crashed on Earth and it is older than the planet itself 

Murchison Meteorite

Older Than Earth

 Early Solar System

Organic Compounds

Decades of Study

Hydrocarbons

Natural Space Exploration

In 1969, two months after the Apollo 11 Moon landing, a meteorite entered Earth's atmosphere, shattered, and scattered across 35 square kilometres near Murchison, Australia. It is now known as the Murchison meteorite.

'4.6-billion-years old': This meteor crashed on Earth and it is older than the planet itself

This animal will rule Earth if all human beings die

Extinction

Evolution

Rise of New Intelligence

Octopuses

Environmental Limitations

Unpredictable Path

Earth’s Resilience

Evolution enables life to adapt through advantageous mutations. While most mutations are harmful, a small percentage drives progress, ensuring life’s continuity


'Heaven's flow': Decoding Saraswati river's mythical origins and spiritual legacy

The Mythical Origins

The Vedic River

Historical Existence

Symbolism

Palaeochannels

Heavenly Connection

Vedic Texts

Modern Search

In Hindu mythology, the Saraswati River is described as emerging from the mouth of Brahma, the creator god, symbolising the river of knowledge and wisdom. 


‘New Continent and Ocean’: Earth’s mantle is splitting apart faster than we thought

Pacific Ring of Fire

Highest Individual Score in India vs England T20Is

Supercontinent Cycles

African Continent Splitting

Shallow Mantle Analysis

The Process 

Why it happens?

Significance for Geoscience

New research reveals that Earth's mantle is divided by the Pacific Ring of Fire, a geological boundary reflecting the formation and breakup of the supercontinent Pangaea.

A new continent and ocean? Earth’s mantle is splitting apart faster than we thought

'Delayed Again': NASA's Sunita Williams' return to Earth postponed until the March-end

Crew 10 Launch Postponed

Extended Stay 

Switch from Starliner

Safety and Efficiency 

Crew 10 Mission

 ISS Duties 

ISS Operations 

NASA has delayed the launch of the SpaceX Crew 10 mission from February to late March 2025, extending the stay of Crew 9 astronaut Sunita Williams aboard the ISS.

How to watch NASA's Sunita Williams' 6.5-hour spacewalk today?

NASA Shares Images 

Details of Upcoming Spacewalks

Tasks

Spacewalk Timings

Crew 9’s Extended Stay 

Crew 10 Launch

Return Timeline

The first spacewalk will start at 8:00 am EST (6:30 pm IST), with live coverage on NASA+ beginning at 6:30 am EST. Spacewalk will also be live on NASA’s YouTube channel.

How to watch NASA's Sunita Williams' 6.5-hour spacewalk today

Mahakumbh 2025: Significance of Jupiter, Moon and Mars in sacred rituals

Planetary Alignment

Jupiter

Moon and Shahi Snan

Mars

Venus

Mercury

Cosmic and Spiritual Synergy

The Maha Kumbh Mela of 2025 in Prayagraj coincides with a rare planetary alignment where Moon, Jupiter, Venus and Mercury will appear in close conjunction in the sky. 


Maha Kumbh 2025 science: Significance of Jupiter, Moon and Mars in sacred rituals

'Amazon of the sea': This massive underwater jungle is a portal to visit 6 countries

The Coral Triangle

Biodiversity Significance

Ecological Importance

Threats to the Ecosystem

Conservation Challenges

Collaborative Conservation Efforts 

Role of Global Organisations 

The Coral Triangle is a vast marine ecosystem spanning Indonesia, Malaysia, the Philippines, Papua New Guinea, the Solomon Islands, and Timor-Leste. 

Nick Hague, Vagner and more: List of NASA’s Sunita Williams' Expedition 72 crew 

Expedition 72 

Butch Wilmore

Donald Pettit 

Nick Hague

Aleksey Ovchinin

Ivan Vagner

Aleksandr Gorbunov

Sunita Williams, the seasoned astronaut, finds herself not alone but in the company of a diverse group of scientists aboard the International Space Station (ISS). 

Nick Hague, Vagner and more: List of NASA’s Sunita Williams' Expedition 72 crew

'33 engines’: SpaceX to launch world’s largest rocket for Starship test flight 

Stacked for January 13 Launch

SpaceX assembled its Starship spacecraft atop a Super Heavy booster on January 10 at its Starbase facility in South Texas. 

’33 engines’: SpaceX to launch world’s largest rocket for Starship test flight

science technology

Photos

How long does it take to reload an S-400 launcher?

Meet top 5 bowlers fastest to 300 Test wickets

How fast would an S-400 missile need to be to intercept an ICBM?

ICBM vs S-400 missile: Which one is actually faster?

How much territory could an S-400 actually protect from a ballistic missile?