Port Hope, Canada
Supernova Remnant Cassiopeia A
Photograph - Photograph
This youngest-known supernova remnant in our galaxy lies 10,000 light years away in the constellation Cassiopeia. The light from this exploding star first reached Earth in the 1600s. Credit: NASA, ESA
Image has been altered from the original.
December 10th, 2012
Viewed 66 Times - Last Visitor from Rochester, NY on 05/19/2015 at 4:10 PM