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Cosmic Snow Storm Observed

Cosmic Snow Storm Observed

The National Aeronautics and Space Administration’s EPOXI mission recently observed a cosmic snow storm originating from the comet Hartley 2. Consisting of both ice particles spewing from the ends of the comet and water vapor escaping from the middle of ...

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Explaining Hole-Punch Clouds

Explaining Hole-Punch Clouds

Researchers at the National Center for Atmospheric Research (NCAR) in Boulder, Colorado have discovered how airplanes create hole-punch clouds when flying under specific atmospheric conditions and how their creation can temporarily change local weather conditions. These clouds – so called ...

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Martian Rivers and Lakes

Martian Rivers and Lakes

Giant cracks that crisscross to form polygons have been imaged on the floors of hundreds of Martian impact craters by NASA’s Mars Reconnaissance Orbiter. Scientists have been aware of them for years, but assumed they resulted from the expansion and ...

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Mars’ soil is like Antarctica’s

Mars’ soil is like Antarctica’s

NASA’s Phoenix Mars Lander scraped the icy soil of the “Wonderland” area on June 26, confirming that subsurface soil and icy soil can be sampled at a single trench. Now, Phoenix scientists are assured they have a completed the soil-layer ...

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Mars Polar Cap

Mars Polar Cap

Mars Polar Cap – This image of the polar cap on Mars was created this past month from combined images from the NASA’s Mars Reconnaissance Orbiter’s wide-angle camera on NASA’s Mars Global Surveyor. It is a composite mosaic of four ...

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