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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 ...

What Is a Supernova? | NASA


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

What Is a Supernova? - Space.com


Jan 27, 2014 ... This Chandra X-ray photograph shows Cassiopeia A (Cas A, for short), the youngest supernova remnant in the Milky Way.

www.ask.com/youtube?q=What Is a Supernova?&v=iNPikOAYonM
Oct 14, 2012 ... A short video made for my physics assignment about supernovas. West Island School Year 11 Oct 14 2012 Credits Music: Finale - Madeon ...

What is a supernova, and what can it tell us about the universe?


A supernova is the explosive death of a star, which unleashes a burst of light through the cosmos. Supernovas happen in two different ways: When massive stars ...

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


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.

ESA - Space for Kids - Our Universe - Supernovas


Every now and again our Milky Way galaxy is lit up by a huge explosion. Known as a supernova, this violent event marks the death of a supergiant – a ...

What is a supernova? | MNN - Mother Nature Network


Sep 23, 2015 ... An artist's illustration of dust forming in the environment around a supernova explosion. (Photo: M. Kornmesser/ESO/Wikimedia Commons).

What are Supernovae?


Currently, supernovae are only seen in galaxies other than the Milky Way. We know that supernovae have occurred in our Galaxy in the past, since both Tycho  ...

What is a Supernova? - Universe Today


Supernovae aren't new stars in the sense that they were not stars before they became supernovae; the progenitor – what the star was before it went supernova  ...

A supernova is the explosion of a massive star. Supernovae are extremely bright and create a huge burst of radiation.
Supernovae occur either when the mass of a star's core exceeds the sustainable limit or when nuclear fusion produces more energy than the star can contain. More >>