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en.wikipedia.org/wiki/Supernova

A supernova/ˌsuːpərnoʊvə/ plural: supernovae /ˌsuːpərnoʊviː/ or supernovas, abbreviations: SN and SNe) is an astronomical event that occurs during the last stellar evolutionary stages of a massive star's life, whose dramatic and catastrophic destruction is marked by one final titanic explosion ...

www.nasa.gov/audience/forstudents/5-8/features/nasa-knows/what-is-a-supernova.html

A supernova is the explosion of a star. It is the largest explosion that takes place in space. Where Do Supernovas Take Place? Supernovas are often seen in ...

www.ask.com/youtube?q=Supernova+Explosion&v=oKXVmzod-TE
Apr 23, 2013 ... GRB 101225A, aka the 'Christmas burst,' was an strangely long-lasting gamma- ray burst. The distance was not measured; astronomers ...

lco.global/spacebook/supernova

This energy blows the outer layers of the star off into space in a giant explosion called a supernova (plural: supernovae.) The ball of neutrons left behind is called  ...

www.space.com/6638-supernova.html

Jan 27, 2014 ... The brilliant point of light is the explosion of a star that has reached the end of its life, otherwise known as a supernova. Supernovas can briefly ...

www.space.com/11425-photos-supernovas-star-explosions.html

May 21, 2014 ... See some of the best photos of supernovas – the explosive deaths of stars.

www.space.com/33796-mistaken-identity-supernova-new-history.html

Aug 19, 2016 ... New observations of a supernova remnant called G11.2-0.3 has astronomers re- examining when the star exploded in the sky.

www.popsci.com/scientists-found-supernova-just-hours-after-it-exploded

Feb 13, 2017 ... Scientists aren't sure why or how these stars detonate, but recent observations of a six-hour-old supernova are shedding light on the star's final ...

www.nationalgeographic.com/science/space/universe/supernovae

Learn more about what happens when stars explode from National Geographic.