Add Yahoo as a preferred source to see more of our stories on Google. Some 350 years after a supernova, its shockwave reaches interstellar space and causes clouds of gas and dust to glow. Scientists ...
NASA's Chandra X-ray Observatory releases its longest-spanning video of X-ray data yet. Credit: NASA / CXC / SAO / Pan-STARRS Astronomers have turned a famous star explosion into a 25‑year time‑lapse, ...
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