May 03, 2013 10:59 PM EDT
Stellar Red Explosion Cloud of Supernova Imaged by Hubble
This picture-perfect blood-red explosion shell is what remained after a powerful supernova 600 years earlier, and is now imaged in all its beauty by space telescope Hubble. There are several types of supernovae. The source of this gas cloud, known as SNR 0519, is known to have been a white dwarf sta...