For a cosmic adrenaline rush, it’s hard to beat a supernova. It happens when a star detonates at the end of its life, blasting gases and other debris outward with unimaginable violence. The explosion ...
NASA’s Fermi Gamma-ray Space Telescope "detected none of the high-energy gamma-ray light" from a nearby supernova. NASA explains. Credit: NASA Goddard Space Flight Center ...
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