Why is Mars cold and dry? While some recent studies hint that early Mars may have never been wet or warm, many scientists think that long ago, Mars once had a denser atmosphere that supported liquid water on the surface. ...
Space Exploration
Sep 13, 2012
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(Phys.org)—The Advanced Composition Explorer (ACE) is Earth's vanguard. Orbiting around a point 900,000 miles away between the Earth and our sun, this satellite is ever vigilant, recording the combination of radiation—from ...
Space Exploration
Aug 30, 2012
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(Phys.org) -- New research, led by University of Warwick physicist Dr Kareem Osman, has provided significant insight into how the solar wind heats up when it should not. The solar wind rushes outwards from the raging inferno ...
Space Exploration
Aug 17, 2012
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(Phys.org) -- In the quest to understand how the world's weather moves around the globe, scientists have had to tease apart different kinds of atmospheric movement, such as the great jet streams that can move across a whole ...
Space Exploration
Aug 16, 2012
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The northern lights interfere with radio communications, GPS navigation and satellite communications. Researchers are now going to launch 20 satellites containing world class instruments from the University of Oslo to find ...
Space Exploration
May 14, 2012
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(PhysOrg.com) -- For the first time, instrumentation aboard two NASA missions operating from complementary vantage points watched as a powerful solar storm spewed a two million-mile-per-hour stream of charged particles and ...
Space Exploration
Mar 28, 2012
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(PhysOrg.com) -- Two-thousand-degree temperatures, supersonic solar particles, intense radiation – all of this awaits NASA’s Solar Probe Plus during an unprecedented close-up study of the sun.
Space Exploration
Mar 7, 2012
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(PhysOrg.com) -- NASA's Voyager 1 spacecraft has entered a new region between our solar system and interstellar space. Data obtained from Voyager over the last year reveal this new region to be a kind of cosmic purgatory. ...
Space Exploration
Dec 5, 2011
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Space around Earth is anything but a barren vacuum. The area seethes with electric and magnetic fields that change constantly. Charged particles flow through, moving energy around, creating electric currents, and producing ...
Space Exploration
Nov 14, 2011
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Using data collected by NASA's STEREO spacecraft, researchers at Southwest Research Institute and the National Solar Observatory have developed the first detailed images of solar wind structures as plasma and other particles ...
Space Exploration
Aug 18, 2011
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