ISEE-3 will not be returning home after all. Authors of a plan to revive the forgotten NASA satellite and return it to Earth orbit conceded Wednesday that a failure in the spacecraft's propulsion system has made it impossible ...
Space Exploration
Jul 10, 2014
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A rocket carrying a NASA satellite lit up the pre-dawn skies Wednesday on a mission to track atmospheric carbon dioxide, the chief culprit behind global warming.
Space Exploration
Jul 2, 2014
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It's plunging back through space, but also back through time, and a band of veteran scientists are determined to save it: a lonely satellite from the age of disco, floating homewards without a mission.
Space Exploration
May 22, 2014
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If we had a second Earth, we could experiment with its atmosphere to see how increased levels of greenhouse gases would change it, without the risks that come with performing such an experiment. Since we don't, scientists ...
Earth Sciences
May 22, 2014
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(Phys.org) —NASA's Seasat satellite became history long ago, but it left a legacy of images of Earth's ocean, volcanoes, forests and other features that were made by the first synthetic aperture radar ever mounted on a ...
Space Exploration
Mar 19, 2014
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(Phys.org) —Power plant emissions of sulfur dioxide – an atmospheric pollutant with both health and climate impacts – have increased across India in recent years, according to a new analysis of data from a NASA satellite.
Environment
Dec 27, 2013
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NASA is preparing to launch a 3-D printer into space next year, a toaster-sized game changer that greatly reduces the need for astronauts to load up with every tool, spare part or supply they might ever need.
Space Exploration
Sep 29, 2013
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The melting of sea ice in the Arctic is well on its way toward its annual "minimum," that time when the floating ice cap covers less of the Arctic Ocean than at any other period during the year. While the ice will continue ...
Earth Sciences
Aug 23, 2013
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(Phys.org) —Live in a large city like New York, London, Beijing or Mumbai, and you are likely exposed to more air pollution than people in smaller cities in surrounding areas. But exactly how a city's pollution relates ...
Environment
Aug 19, 2013
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Atmospheric physicist Nick Gorkavyi missed witnessing an event of the century last winter when a meteor exploded over his hometown of Chelyabinsk, Russia. From Greenbelt, Md., however, NASA's Gorkavyi and colleagues witnessed ...
Earth Sciences
Aug 14, 2013
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