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?

'To the Moon': SpaceX to target Intuitive Machines' lander launch in February

Mission Overview

Launch Details

Duration

Key Technology Demonstrations

Lunar Trailblazer Rideshare

CLPS Initiative

Significance

The IM-2 lunar lander, part of Intuitive Machines' mission, is projected to take approximately four days to reach the moon, following a trajectory similar to that of other recent lunar missions, which generally take a few days for the journey.

Planetary Parade 2025: How to watch six planets tonight from India

Six Planets Align

Planetary Parade

Best Time to View

Viewing the Planets

Viewing in India 

Special Observations

Best Spots 

On January 25, 2025, stargazers will be treated to a rare sight as six planets—Venus, Mars, Jupiter, Saturn, Neptune, and Uranus align in the night sky. 

'Blue Marble': Firefly's Ghost lunar lander snaps iconic picture of Earth while en route to the Moon! Check out

Blue Ghost Lunar Lander

Thruster Manoeuvres

Images Released

NASA Partnership

Dual Lunar Missions

Ispace's Second Moonshot

Upcoming Lunar Milestones

Firefly Aerospace’s lunar lander, Blue Ghost, captured detailed images of Earth one week into its mission. The spacecraft, still circling Earth, is preparing for its journey to the moon.

'33% decrease': NASA's Sunita Williams' eyesight getting weak in space? Here is what scientists have to say

Microgravity

Biomechanical Eye Changes 

SANS Observed

Sunita Williams

Choroid Expansion

Future Mars Missions 

Further Research 

A study published in the IEEE Open Journal of Engineering in Medicine and Biology reveals that prolonged exposure to microgravity aboard the ISS results in changes to astronauts’ eyes and vision.

Explosion in space! China's Einstein Telescope detects puzzling anomaly 12.5 billion light-years away

Soft X-rays

Ancient Cosmic Origins

Collaborative Follow-Ups

Gamma-Ray Burst

Advancing X-ray Detection

GRB Models

Einstein Probe Mission

On March 15, 2024, the Einstein Probe’s Wide-field X-ray Telescope (WXT) detected soft X-rays lasting over 17 minutes. These fast X-ray transients (FXRTs) are rare, and the event, named EP240315a, fluctuated in brightness before fading.

'Super puff planet': NASA's James Webb Telescope discovers 4th planet in constellation Cygnus

Discovery of Kepler-51e 

Characteristics

Early Transit 

Transit Timing

Mass Characteristics

Formation Theories 

Future Observations

Astronomers have identified a fourth exoplanet, Kepler-51e, in the Kepler-51 star system using the James Webb Space Telescope (JWST). The planet joins three previously discovered "super puff" planets orbiting the sun-like star in the constellation Cygnus.

This cheap Chinese AI is trying to compete with Silicon Valley giants! All about DeepSeek

DeepSeek Challenges AI Norms

Efficient Training

Innovations

Open Source 

Global Implications 

Economic Viability

Broader Impact

A Chinese start-up, DeepSeek, has unveiled DeepSeek-V3, an AI model performing at par with systems by OpenAI and Google. This milestone was achieved using only a fraction of the computer chips typically required for training advanced AI.

'5300 years ago': Archaeologists discover origins of Iron Age in southern India 

Iron Age in Tamil Nadu

Radiometric

Discovery Sites

Findings 

Global Iron Age

Government Support

Further Research

A new study reveals that iron technology in Tamil Nadu dates back to 3345 BCE, nearly two millennia earlier than previously believed, challenging the globally accepted timelines of the Iron Age.


'5300 years ago': Archaeologists discover origins of Iron Age in southern India

'Only 280 km away': Icerberg bigger than Delhi on collision course with a British island  

Iceberg A23a

Drifting

Ecological Impact

Steady Voyage

Satellites and Research

Underwater

Concerns remains Minimal

The world’s largest iceberg, A23a, spanning nearly 4,000 square kilometres and twice the size of Delhi, is drifting towards South Georgia, a British overseas territory in the South Atlantic Ocean.

'Only 280 km away': Icerberg bigger than Delhi on collision course with a British island

An alien signal? Indian astronomer receives radio bursts from a dead galaxy

Signal from Deep Space 

A Rare Discovery

Fleeting Phenomena

Location Raises Questions

Dead Galaxies

Universe’s Secrets

Existing Theories

An Indian astronomer, Vishwangi Shah has identified an alien-like signal, a Fast Radio Burst (FRB), originating from outside a dead galaxy. These bursts are brief but extremely powerful radio wave emissions from deep space.

'400 landings': SpaceX reaches major milestone in reusable rockets

400 Rocket Landings

Majority of Landings

High-Performance

Falcon Heavy

Starship Testing

Reusability

Recent Starship Launch

On January 21, 2025, SpaceX marked its 400th successful landing of an orbital-class rocket. The milestone was reached during a Falcon 9 mission that launched 27 Starlink satellites from California’s Vandenberg Space Force Base.

'2.5 billion pixels': NASA's Hubble Space Telescope captures the best image of Andromeda Galaxy to date

Decade-Long Effort

Largest Photomosaic

Full View of Andromeda 

Galaxy Evolution 

Galactic Collisions 

Published Findings

Astronomers completed a 10-year project to assemble a complete portrait of the Andromeda galaxy. The result is a detailed panoramic image, the most comprehensive view of the galaxy ever captured.


'11 billion light-years away': NASA's James Webb Telescope discovers star-eating black holes in 19 galaxies

Supermassive Black Holes

Spiderweb Protocluster

Mechanism

Mapping of Star

End Stages of Evolution 

Comparative Observations

Future Research 

The team analysed 19 galaxies in the Spiderweb protocluster, located 11 billion light-years away. Eight of these galaxies host active supermassive black holes and exhibit little to no star formation.

 'Made of Aluminium': NASA's new Pandora Mission set to assist James Webb Telescope in examining 20 alien planets

Spacecraft Bus

Launch Schedule

Mission Objectives

Scientific Method

Technological Innovation

Mission Operation

Collaboration

NASA's Pandora mission has moved forward with the completion of its spacecraft bus, which supports the mission's structure, power, and systems.

'Made of Aluminium': NASA's new Pandora Mission set to assist James Webb Telescope in examining 20 alien planets

NASA gets its first female leader since inception! Here's all about Janet Petro

Historic Appointment

Statement on Leadership 

Background

Kennedy Space Center 

Achievements

Future Goals 

A New Chapter

On January 20, 2025, Janet Petro was named acting NASA administrator by President Donald Trump. She succeeds Bill Nelson, marking the first time a woman has led NASA since its founding in 1958. 


'Last of Us': Can Cordyceps cause a zombie apocalypse?

What is Cordycep

Hosts 

Concerns

Mechanism of Infection 

Climate Change

Scientific Perspectives

Popular Culture 

Cordyceps is a genus of parasitic fungi known for infecting insects and taking over their bodies. It manipulates the host’s behaviour, forcing it to spread fungal spores before its demise.


Will Russia become the new North Pole?

Magnetic North Pole

Understanding Magnetic Pole

Unprecedented Movement 

Historical Shifts

Rapid Acceleration

Future Movement

Ongoing Monitoring

Scientists have revealed that Earth's magnetic north pole is moving at an accelerated speed and is now closer to Siberia than it was five years ago. The pole, discovered by Sir James Clark Ross in 1831, has been shifting due to changes in Earth's magnetic field.

'Close to 300,000 kmph': Scientists discover black holes that may challenge the laws of physics

Spin Rates

Difficulties

Black Hole Evolution 

Formation Models 

Fast Spins

Black Hole Archaeology

Future Research

The study revealed that many black holes spin faster than expected, suggesting they formed primarily through the smooth accumulation of material rather than galaxy mergers. Some black holes are also spinning very close to the speed of light. 

Rings of Saturn will go 'invisible' in March! Here is why

Ring-Plane Crossing

 A Temporary Phenomenon

Gradual Reappearance

Ring Rain

Not Permanent

Explained

Saturn's Rings Compared

Saturn’s iconic rings will temporarily vanish due to a natural phenomenon known as a ring-plane crossing. Ring-plane crossings happen every 13 to 15 years. 


'1,000 seconds of nuclear fusion': China's Artificial Sun breaks its own record of plasma loop generation

New Fusion Record 

Fusion Process

Sustained Plasma Loops 

EAST 

Global Fusion Effort 

Practical Fusion 

Future Developments 

The Experimental Advanced Superconducting Tokamak (EAST) reactor in China sustained a plasma loop for 1,066 seconds, breaking its previous record of 403 seconds. 

'Like a Portal': Invisible cosmic tunnels connect Earth's solar system to distant galaxies

Cosmic Tunnels 

Hot Plasma Regions 

Supernova Explosions 

Role of Tunnels

Step 3: Take a beetroot and wash it properly before you grate it.

Advanced X-ray Tools 

Expanding Our Understanding 

Astronomers have uncovered a network of interconnected "tunnels" in space, linking our solar system to distant galaxies like a “portal” using years of data from the eRosita observatory


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?