W28: A Mixed Bag of Supernova Remnant
Wednesday, June 4, 2008 - 13:56
in Astronomy & Space
When some stars die, they explode as supernovas and their debris fields (aka, "supernova remnants") expand into the surrounding environments. There are several different types, or categories, of supernova remnants. One of these is known as a mixed-morphology supernova remnant.