Most Recent Supernova in Milky Way Discovered

Wednesday, May 14, 2008 - 15:14 in Astronomy & Space

The most recent supernova in our galaxy has been discovered by tracking the rapid expansion of its remains. The supernova explosion occurred about 140 years ago, making it the most recent in the Milky Way. Previously, the last known supernova in our galaxy occurred around 1680, an estimate based on the expansion of its remnant, Cassiopeia A. read more

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