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Chandra X-ray Observatory

NASA scientists identify new stellar danger to planets

NASA scientists identify new stellar danger to planets

Astronomers using data from NASA's Chandra X-ray Observatory and other telescopes have identified a new threat to life on planets like Earth: a period during w...
Accidental capture of Hubble shows runaway supermassive black hole
Accidental capture of Hubble shows runaway supermassive black hole
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