A deep space photographer spent months photographing the Crab Nebula and found his composite image, when compared with the 1999 image from the Hubble Space Telescope, shows the supernova's expansion.
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 ...
Two Princeton researchers, Alicia Soderberg and Edo Berger, have become the first humans in recorded history to witness the explosion of a supernova in real time. Soderberg, who is a postdoctoral ...
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