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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.

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 ...

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 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  ...

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 ...

Supernovae - HyperPhysics


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, ...

What is a Supernova? - Universe Today


Feb 18, 2010 ... 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 ...

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.

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 >>