Time-lapse video shows a supernova’s aftermath ballooning into space

It is a remarkable age that we live in — a time when astronomers have the ability to capture direct footage of space explosions that happened long before you and I existed. Such is the case for a cosmic time-lapse video scientists released on Thursday (Sept. 28). 

Constructed from about 20 years of Hubble Space Telescope data, the video zooms-in on the bubbling remnants of a supernova, or explosive star death, that happened a staggering 20,000 years or so ago. In particular, the time-lapse focuses on a small sliver of what’s known as the Cygnus Loop, a nebula that represents the entirety of one stellar detonation’s aftermath. 


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