Scientists have captured the moment the shockwave of a supernova explosion breaks out through the surface of a doomed star for the first time, revealing what appears to be a surprisingly symmetrical ...
Add Yahoo as a preferred source to see more of our stories on Google. NASA's Chandra X-ray Observatory releases its longest-spanning video of X-ray data yet. - NASA / CXC / SAO / Pan-STARRS ...
Supernovas, the catastrophic explosions that follow the collapse of a star, are essential to our understanding of the cosmos. They serve as the yardstick we use to measure vast distances across space.
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