images

Supernova remnant Cassiopeia A

by

A.Block/MLSC/Univ.of Az/Novapix

Reference

a-snv11-00209

Date

2009-11-15

Cassiopeia A (Cas A) is the youngest known remnant from a supernova explosion in the Milky Way. Cas A is located ten thousand light-years away from Earth in the constellation of Cassiopeia. Image taken on september 5 2008 with a 24-inch telescope.