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Showing posts with label Remnant Discovered. Show all posts
Showing posts with label Remnant Discovered. Show all posts

Saturday, September 8, 2012

X-Rays from Young Supernova Remnant Discovered


Astronomers have detected X-rays from the leftovers of a supernova that was first seen from Earth over 50 years ago. This supernova SN 1957D was call because it was the fourth one detected in the year 1957. Whilst detected in the radio and optical for decades, SN 1957D did not appear in previous X-ray images.