The radiation environment near the Moon could be damaging to humans and electronics on future missions. To characterize this potentially hazardous environment, the Cosmic Ray Telescope for the Effects of Radiation (CRaTER) ...
Space Exploration
Apr 9, 2013
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(Phys.org)—When a sun-gazing NASA satellite designed and built by the University of Colorado Boulder launched into space on Jan. 25, 2003, solar storms were raging.
Space Exploration
Jan 24, 2013
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(Phys.org)—The picture on the left shows a calm sun from Oct. 2010. The right side, from Oct. 2012, shows a much more active and varied solar atmosphere as the sun moves closer to peak solar activity, a peak known as solar ...
Space Exploration
Nov 27, 2012
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Streaming into the solar system at nearly the speed of light, galactic cosmic rays (GCRs) are a high-energy mix of protons, electrons, and atomic nuclei. As they pass into reach of the outflowing solar wind, the propagation ...
Space Exploration
Nov 13, 2012
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(Phys.org)—Northern night skies have recently been alive with light. Those shimmering curtains get their start about 93 million miles away, on the sun.
Space Exploration
Oct 2, 2012
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Since the mid-1800s, scientists have been systematically measuring changes in the Earth's magnetic field and the occurrence of geomagnetic activity. Such long- term investigation has uncovered a number of cyclical changes, ...
Space Exploration
Mar 19, 2012
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Improved Forecasting to Coincide with Peak in Solar Activity
Space Exploration
Jan 28, 2012
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(PhysOrg.com) -- On December 7, 2001, a Delta II rocket launched from Vandenberg Air Force Base carrying a spacecraft designed to observe a little known area of the atmosphere that experiences some of the most dramatic energy ...
Space Exploration
Dec 9, 2011
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Scientists have demonstrated a clear link between the 11-year sun cycle and winter weather over the northern hemisphere for the first time.
Earth Sciences
Oct 10, 2011
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Viewed from the technological perspective of modern humans, the sun is a seething cauldron of disruptive influences that can wreak havoc on communication systems, air travel, power grids and satellites – not to mention ...
Space Exploration
Aug 18, 2011
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