Physical Science

Order of the National Green Tribunal regarding deterioration of Nayar river, Uttarakhand, 05/06/2025

Order of the National Green Tribunal in the matter of In Re: News Item titled "Nayar river is vanishing - a yatra reveals conservation goes beyond science and policy" appearing in ‘The Down To Earth’ dated 03.06.2025. The original application was registered suo-motu based on the news item titled "Nayar …

Musharraf outlines vision for space programme

President Pervez Musharraf outlined his vision for Pakistan's space programme by laying down a clearly defined agenda for the national space agency Suparco to pursue and deliver in minimum time. The President said that as an established and well recognised nuclear and missile power, Pakistan's graduation to a power in …

Waterless quicksand

dry sand can be as treacherous a deathtrap as quicksand, according to a team of scientists at the University of Twente in the Netherlands (Nature Vol 432, No 7018). The scientists blew air through little holes in a plate at the bottom of a plexiglass column of sand about 60 …

Evidence of liquid on Saturn`s moon

Scientists are describing Saturn's biggest moon, Titan, as a frigid world of coastlines, wind, mists, and blocks of ice strewn about the landscape. Their first impressions of this hidden world come from data sent back by the European Space Agency's Huygens spacecraft, which landed on the mysterious moon Friday. The …

Titan gets a visitor from Earth

A European spaceprobe successfully relayed scientific data about Saturn's moon Titan after making a soft landing on Friday, a space official said

From 750m miles away, a glimpse of a frozen, ancient Earth

Triumphant climax to 20-year project as European probe breaks through to Saturn's moon Titan, revealing rocks, rivers and perhaps a sea. Scientists last night unveiled an aerial study of an alien world, across a distance of more than 750 million miles. From an altitude of 10 miles, a little European …

Fire in the sky might be meteor: Scientists

What struck them, they still do not know. The Maharashtra State authorities are equally blank. 24 hours after Khopoli-Panvel residents in neighbouring Raigadh district saw a fireball dropping from the skies with a rattling noise, nobody knows what actually happened. An initial surmise made by a section of the scientists' …

It`s a big, flat, rippled universe out there

By looking at a vast swath of sky, astronomers claim to have figured out a way to measure the universe

Nasa craft on collision path with comet

For the first time ever, Nasa is setting off on a collision course with a comet, in hopes of blasting a huge hole in the celestial snowball and gazing upon the original ingredients of the solar system preserved inside. It begins with a planned Wednesday launch of Deep Impact , …

Energy eruption can help know universe

The powerful eruption of energy in the universe, which has been devouring materials equivalent to 300 million suns, is astronomically a milestone event because it will throw light on early evolution of the universe dating back to 14 billion years, said Pranab Ghosh who heads Tata Institute of Fundamental Research's …

Big bang : Nasa plans to smash comet

The big, grown-up boys on the Nasa team can hardly wait. On July4, they get to bust up a comet, The spacecraft is called Deep Impact just like the 1998 movie about a comet headed straight for Earth. Nasa's goal is to collide a part of the spacecraft called the

It is still the world s highest

new research has now challenged the theory that the Tibetan plateau

The right measure

the world has been calculating the mass of the kilogramme wrongly. The error would seem insignificant to a common person, but it is important for scientists, as they are left paralysed without precise values. But work done at the International Bureau of Weights and Measures, France, and the Korea Research …

Satellite system based on Mars technology

An Australian company has acquired imaging technology used on NASA's deep space probes to Mars to develop a $275 million high-resolution, full-colour satellite imaging system capable of identifying a 10-metre fishing boat lurking in the north Australian mangroves from an altitude of 36,000 kilometres. Astrovision Australia, a 51 per cent-owned …

Scientist wins NASA Peer Award

Indian scientist Saji Abraham has been awarded the NASA Peer Award for developing emission models that would "play a critical role" in two future space missions.

Saturn mission nears climax

A little flying saucer not much bigger than a washing machine will separate from its mother ship early tomorrow morning on the last stage of a long journey to oblivion. If all goes to plan, the European lander Huygens will ease away from a lorry-sized NASA orbiter called Cassini for …

NASA spots new galaxies, young stars

Though billions of years old, the universe still produces compact galaxies brimming with baby stars, astronomers said. Scientists, using a NASA telescope, have discovered about three dozen young galaxies in the cosmic neighborhood that could help unravel forces behind the earliest star systems.

Scientists delight : A celestial newborn

Fourteen billion years after the Big Bang started it all, there is still life in the old cosmos. Astronomers announced that they had discovered three dozen babay galaxies in what passes for nearby space in the universe: 2 billion to 4 billion light

Mars getting warmer, may be rocking

The climate on Mars is showing a warming trend and recent images have shown the first evidence of seismic activity on Earth's neighbour planet, scientists said. New gullies that did not exist three years ago have been pictured on a Mars sand dune

Back to future : NASA plans moon springboard to Mars

Mankind is one serious step closer to returning to the Moon today after NASA unveiled a $100 plan to send a new generation of astronauts on lunar missions a precursor to manned flights to Mars. The space agency's administrator, Michael Griffin , outlined the project, which he said fulfilled president …

ISRO to launch space-based navigation system

Flying over the Indian skies will be a safer and faster affair with the Indian Space Research Organisation (ISRO) joining hands with the Airports Authority of India (AAI) to launch a space-based navigation system. Christened GAGAN (GPS-aided Geo-Augmented Navigation), the system will help aircraft fly without the aid of land-based …

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