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Supernova - Wikipedia

en.wikipedia.org/wiki/Supernova

A supernova 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 ...

What Is a Supernova? | NASA

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

A supernova is the explosion of a star -- the largest explosion that takes place in space.

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 ...

What Is a Supernova? - Space.com

www.space.com/6638-supernova.html

Jan 27, 2014 ... When stars can't handle their nuclear fuel, they explode in a brilliant burst of light.

Supernovae - HyperPhysics

hyperphysics.phy-astr.gsu.edu/hbase/Astro/snovcn.html

A supernova is an explosion of a massive supergiant star. It may shine with the brightness of 10 billion suns! The total energy output may be 10<sup>44</sup> joules, ...

Supernovas, Supernovae Information, Exploding Star Facts, News ...

science.nationalgeographic.com/science/space/universe/supernovae-article/

Some stars behave as if it's better to burn out than to fade away. These stars end their evolutions in massive cosmic explosions known as supernovae.

Supernova explosions | Las Cumbres Observatory

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  ...

Supernova Explosion - Video Dailymotion

www.dailymotion.com/video/x2xc96_supernova-explosion_tech

Cassiopeia A supernova explosion (artist's impression)

Colossal star explosion detected - BBC News

www.bbc.com/news/science-environment-35315509

Jan 14, 2016 ... Astronomers have seen what could be the most powerful supernova yet ... Researchers think the explosion and ongoing activity have been ...

A nearby supernova explosion is dumping radioactive metal on ...

www.sciencealert.com/a-nearby-supernova-explosion-is-dumping-radioactive-metal-on-earth-right-now

Apr 22, 2016 ... A couple of weeks ago, researchers discovered radioactive debris from a series of massive supernova explosions at the bottom of our largest ...