News tagged with energetic electrons

The remarkable remains of a recent supernova

( —Astronomers estimate that a star explodes as a supernova in our Galaxy, on average, about twice per century. In 2008, a team of scientists announced they discovered the remains of a supernova that is the most ...

dateJun 26, 2013 in Astronomy
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The radiation belt storm probes

(—Since the dawn of the Space Age, mission planners have tried to follow one simple but important rule: Stay out of the van Allen Belts. The two doughnut-shaped regions around Earth are filled with "killer electrons," ...

dateAug 31, 2012 in Space Exploration
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