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Stellar Explosion

This youngest-known supernova remnant in our galaxy lies 10,000 light years away in the constellation Cassiopeia.
This youngest-known supernova remnant in our galaxy lies 10,000 light years away in the constellation Cassiopeia. (Image credit: NASA and The Hubble Heritage Team (STScI/AURA))

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.

Live Science Staff
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