When the most massive stars explode as supernovas, they don't fade into the night, but sometimes glow ferociously with high-energy gamma rays.
from News and Features - NASA's Jet Propulsion Laboratory http://ift.tt/Xx1Kn4
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When the most massive stars explode as supernovas, they don't fade into the night, but sometimes glow ferociously with high-energy gamma rays.
NASA’s SpaceX Crew-9 commander Nick Hague is pictured in his flight suit during training at SpaceX headquarters in Hawthorne, Californi...
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