A supernova is an astronomical event that occurs during the last stellar
evolutionary stages of a massive star's life, whose dramatic and catastrophic
A supernova is the explosion of a star -- the largest explosion that takes place in
Jan 27, 2014 ... This Chandra X-ray photograph shows Cassiopeia A (Cas A, for short), the
youngest supernova remnant in the Milky Way.
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
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 ...
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
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 ...
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, ...
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 ...
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.