X-ray Astronomy: Supernovae and their remnants - Introduction
Supernova Explosion - YouTube
Supernova - Wikipedia, the free encyclopedia Supernovae A supernova (the plural is supernovae) is the explosion of a star. They are extremely important for understanding our Galaxy. They heat up the. Supernova - HEASARC: NASA's Archive of Data on Energetic Phenomena One of the most energetic explosive events known is a supernova. These occur at the end of a star's lifetime, when its nuclear fuel is exhausted and it is. Cassiopeia A supernova explosion (artist's impression) A supernova (abbreviated SN, plural SNe after supernovae) is a stellar explosion that is more energetic than a nova. It is pronounced / ˌ s uː p ər ˈ n oʊ v ə.
