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 …

1,000 balloons

Scientists from 10 countries are conducting an experiment to demystify the life cycle of tropical clouds. Under the experiment, 1,000 weather balloons have been released over the past two months in Australia's northern city of Darwin to study cirrus, the wispy white clouds found at high altitudes. "Cirrus are ubiquitous …

Hazy gains

scientists at the us National Center for Atmospheric Research (ncar) have begun an experiment to evaluate cloud seeding, a precipitation enhancement technique mired in controversy. The five-year, us $8.8 million project will be carried out in Wyoming, which has been experiencing drought for years in a row, according to ncar …

Scientists to throw light on Saturn's storm

Researchers are tracking a gigantic storm on Saturn that is unleashing lightning bolts more than 1,000 times stronger than those found on Earth. Using instruments aboard the international Cassini spacecraft, scientists from the University of Iowa first spotted the storm on January 23. But since the spacecraft was not in …

Do Martians exist?

evidence suggests that Mars once had water on its surface, a denser atmosphere and a mild climate

NASA spots solar systems

Scientists have found evidence of two mega solar systems - giant stars enveloped by what appear to be huge disks of planet-forming dust. The appearance of cloudy disks around stars are believed to represent current or future planetary systems. Our sun is surrounded by the Kuiper Belt, a disk containing …

Quantum jump for computers

the odds of building a computer based on atomic bytes have increased with two independent research groups in Europe and the us successfully pushing the boundaries of human control over the microscopic world. In one of the two experiments, bizarre by normal standards, scientists with the us National Institute of …

New planet-hunting method could find more Earths

A new planet-hunting technique has detected the most Earth-like planet yet around a star other than our sun, raising hopes of finding a space rock that might support life, astronomers reported. "This is an important breakthrough in the quest to answer the question 'Are we alone?'' said Michael Turner of …

Space capsule returns to Earth with first comet samples

A space capsule ferrying the first comet dust samples to Earth parachuted to a pre-dawn landing in the Utah desert Sunday, drawing cheers from elated scientists. The touchdown capped a seven-year journey by NASA's Stardust spacecraft, which raced past a comet in 2004 to capture minute dust particles and store …

Northern lights shifting

If Earth's North Magnetic Pole continues to move at its present rate, Alaska may lose within 50 years one of its most stunning natural phenomena

Planning to visit a black hole? It may take 200,000 yrs

Black holes are drains in space that have gravitational pull so strong that nothing, not even light, can escape. Huge ones are believed to lurk at the centres of many galaxies including the Milky Way, which contains the sun. The one-way journey from the heart of a galaxy into the …

4 new Milky Way satellites found

The total number of satellite galaxies of the Milky Way has increased to 20 with the discovery of four new ones. The pace of new discoveries suggests that many more such satellites remain unknown, which would present a serious challenge to models of dark matter as "warm', fast-moving particles, according …

'Chandrayan-1 mission in 2008'

India's quest to explore moon, the Chandrayaan 1 mission, will be launched in early of 2008, Dr Jitendranath Goswami who is heading the project stated. Dr Goswami said the date for the mission would be finalised later as an 'eclipse' is scheduled in February 2008.

Oxygen theory reopens alien debate

In a discovery that could radically change our understanding of the origins of life, scientists have found that oxygen and the life that generates it might have enriched the Earth far earlier than currently supposed. The discovery, sure to trigger controversy, suggests life could arise earlier than thought on alien …

China, Russia join hands for Mars

China and Russia plan to launch a joint mission to Mars in 2009 to scoop up rocks from the red planet and one of its moons, a Chinese scientist said.

Rethink on ancient earth oxygen: Study

Scientists may have to rethink accepted theories of how the prehistoric earth's atmosphere developed after new discoveries in ancient sulphur raised serious questions, researchers said. Up to now it has been generally accepted that the earth's atmosphere was devoid of oxygen for some 80% of its existence.

Pluto gets pink slip, no longer a planet

Pluto was stripped of its status as a planet on Thursday when scientists from around the world redefined it as a

Japan launches satellite to explore sun

Japan launched an observation satellite on Saturday on a joint mission with the United States and Britain to explore the sun. Led by space agency JAXA, the Solar-B mission was launched to improve scientists' understanding of solar flares and eruptions that can have devastating effects on satellite systems.

ISRO planning for indigenous launches

ISRO expects its Insat 4A, now a day old, to be its penultimate satellite that will be flown from outside the country. The indigenous GSLV rocket having qualified to fly the 2-tonne class Insat satellites, ISRO is phasing out costly procured launches, most of which have been on the European …

New ring spotted on Saturn : NASA

Saturn has a newly discovered ring, a faint trail of particles just visible in between some of its better-known rings,NASA said. The orbiting Cassini spacecraft yesterday caught sight of the ring and other rare features when the sun passed directly behind Saturn in what is known as an occultation, providing …

Toxic spill on space station

A spill of toxic liquids aboard International Space Station on Monday, set off a short-lived emergency and fears of a fire aboard the outpost.The station crew was cleaning up from one group of visitors and preparing for their next guests when they smelled toxic fumes, flight engineer Jeff Williams and …

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