Dazzling photo of supernova remnant holds clues about star’s death


Astronomers have traced the timeline of a stellar explosion in a neighboring galaxy using data from three NASA telescopes. 

When a massive star reaches the end of its life, it explodes in a brilliant burst of light known as a supernova. These stellar explosions leave behind colorful remnants of material ejected by the violent blast. 

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Originally published at www.space.com

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