About This Image
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.
Acknowledgment: R. Fesen (Dartmouth) and J. Morse (Univ. of Colorado)Learn more on the Hubble Heritage website Get supporting picture information including original images, caption and facts, and astronomer biographies. Learn more in NewsCenter HubbleSite's NewsCenter is the place to find the story behind this image, along with its original news release and all related images.