News tagged with solar energetic particles

Cosmic Rays Hit Space Age High

( -- Planning a trip to Mars? Take plenty of shielding. According to sensors on NASA's ACE (Advanced Composition Explorer) spacecraft, galactic cosmic rays have just hit a Space Age high.

dateSep 29, 2009 in Astronomy
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Solar variability and terrestrial climate

(—In the galactic scheme of things, the Sun is a remarkably constant star. While some stars exhibit dramatic pulsations, wildly yo-yoing in size and brightness, and sometimes even exploding, the luminosity of ...

dateJan 11, 2013 in Space Exploration
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