NASA

Space-based quantification of per capita CO2 emissions from cities

Urban areas are currently responsible for ~70% of the global energy-related carbon dioxide (CO2) emissions, and rapid ongoing global urbanization is increasing the number and size of cities. Thus, understanding city-scale CO2 emissions and how they vary between cities with different urban densities is a critical task. While the relationship …

Nasa to help save tea bushes

Jorhat, Feb. 3: The National Aeronautics and Space Administration will help the tea industry study the impact of climate change on tea bushes. The additional vice-chairman of Tea Research Association, Prabhat Bezboruah, said the recently formed working group on global climate change would take help from Nasa to study climate …

Are humans alone or are aliens avoiding us?

Civilizations From Oldest Stars Had Enough Time To Reach Earth If They Wanted To: Researchers. Washington: If alien life really exists, they would have found humans by now, but consciously avoiding us for unknown reasons, a new study has suggested. Researchers, who calculated the time a society would take to …

NASA Confirms Man's role in Global Warming

A new NASA study confirms the fact that greenhouse gases generated by human activity - not changes in solar activity - are the primary force driving global warming. The study offers an updated calculation of the Earth's energy imbalance, the difference between the amount of solar energy absorbed by Earth's …

Solar Atlas to help India map path to clean power

Govt agency charting sunshine hotspots to help cos set up solar energy plants. When India’s solar power developers want to choose a site for their project, they usually turn to NASA and its satellite images to identify the best locations. This is because even though India is endowed with abundant …

Moon colony may not be mere lunacy

A Permanent Lunar Base Can Be Set Up By Adapting Tech Used In Building. Could the United States establish a moon colony and develop a new propulsion system for going to Mars? All within eight years of a Newt Gingrich presidency, as Gingrich promised this week? The answers seem to …

NASA scientist shows how to slow global warming

WASHINGTON: Key steps on pollution control would slow down global warming by 0.5 degree Celsius, increase crop yields by 135 million tonnes and prevent thousands of premature deaths every year in India, Nepal and Bangladesh by 2050, reveals a study. The 14 steps, highlighted by NASA scientist Drew Shindell, are …

Habitable ‘Earths’ may have 2 Suns like ‘Star Wars’

WASHINGTON: Astronomers should start hunting for planets like the Tatooine in the science fiction series " Star Wars", as Earth-like worlds could exist in the habitable zones around binary systems, scientists say. In the "Star Wars" universe, Tatooine was a circumbinary planet that had two Suns. In September last year, …

2012 to be one of 10 hottest since 1850

THIS year could become one of the top 10 hottest since 1850, with global temperatures expected to be almost half a degree Celsius warmer in 2012 than the long-term (1961-1990) average of 14 degrees, the UK’s Met Office said on Wednesday. The prediction follows provisional figures published by the Met …

NASA Probes Reach Moon For Gravity-Mapping Mission

Two robotic probes began orbiting the moon Sunday in preparation for an unprecedented mission to map the lunar interior. NASA's twin Gravity Recovery And Interior Laboratory, or GRAIL, spacecraft wrapped up 2.6-million-mile journey to put themselves into lunar orbit on Saturday and Sunday. Over the next two months, the probes' …

CM outlines schemes worth Rs 5,000 cr

GUWAHATI, Jan 1 – Asserting that militancy had been on the wane with most of the outfits engaged in peace talks, Chief Minister Tarun Gogoi today announced a number of ‘special initiatives’ aimed at boosting the spheres of education, health, rural development, border area development, etc. The schemes would be …

Nasa probe on track, reaches Moon orbit

Grail, 110th Mission To Earth’s Satellite, Will Help Understand Lunar Enigma Better Pasadena, California: As planet Earth rang in the new year, a different kind of countdown was happening at the moon. After a 3½-month journey, a Nasa spacecraft flew over the Moon’s south pole, fired its engine and dropped …

Climate change may bring big ecosystem shifts

By 2100, global climate change will modify plant communities covering almost half of Earth's land surface and will drive the conversion of nearly 40 percent of land-based ecosystems from one major ecological community type -- such as forest, grassland or tundra -- toward another, according to a new NASA and …

NASA discovers first Earth-sized planets beyond Solar System

Astronomers have found a pair of Earth-sized planets orbiting a star similar to the sun, though neither is believed to be suitable for life, scientists on NASA’s Kepler telescope team said. The discovery follows confirmation earlier this month of a super-Earth sized planet, called Kepler-22b, which circles the right distance …

Earth-size twins found orbiting Sun-like star

New York: Astronomers have found a pair of Earth-sized planets orbiting a star similar to the Sun, scientists on Nasa’s Kepler telescope team said. While the finds — Kepler-20e and Kepler-20f — are too hot to sustain life, they are an encouraging sign for prospects of finding life elsewhere. The …

Space odyssey to final frontiers: Voyager 1 Will Be Exploring What Lies Beyond Our Solar System

Los Angeles: More than three decades after launching, Nasa’s workhorse spacecraft is inching closer to leaving the solar system behind. Currently 11 billion miles away from the sun, Voyager 1 has been exploring the fringes of the solar system since 2004. Scientists said on Monday the spacecraft has entered a …

NASA data confirms pollution has nearly halved from US coal power plants

A team of scientists have used the Ozone Monitoring Instrument (OMI) on NASA's Aura satellite to confirm major reductions in the levels of a key air pollutant generated by coal power plants in the eastern United States. The pollutant, sulphur dioxide, contributes to the formation of acid rain and can …

Rover discovers shifting sand dunes on Red Planet

For the first time, scientists have discovered shifting sand dunes and ripples all over Mars, a finding which suggests strong winds keep the sandy surface of the Red Planet much more active than ever imagined. Images captured by NASA spacecraft Mars Reconnaissance Orbiter showed wind-blown sand dunes moving across the …

New NASA rover to scout for life's habitats on Mars

A nuclear-powered rover as big as a compact car is set to begin a nine-month journey to Mars this weekend to learn if the planet is or ever was suitable for life. The launch of NASA's $2.5 billion (1.6 billion pound) Mars Science Laboratory aboard an unmanned United Launch Alliance …

NASA spacecraft finds water on Jupiter’s moon

A huge body of water as big as North America’s Great Lakes may lie beneath Jupiter’s moon Europa, astronomers have said. The water body, believed to be locked within Europa’s icy outer shell a few kilometres from the surface, offered one of the best hopes yet of finding life beyond …

Russian rocket gives NASA lift to space

A Russian Soyuz rocket blasted off amid heavy snow in Kazakhstan on Monday morning, beginning a two-day trip to ferry three astronauts to the International Space Station and opening a new era of US dependence on Russia — and eventually on commercial enterprises — for space travel. NASA ended its …

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