By Will Dunham WASHINGTON (Reuters) – Astronomers have discovered a black hole with a mass about 33 times greater than that of our sun, the biggest one known in the …
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US and World News
Astronomers document a not-so-super supernova in the Milky Way
by Reutersby ReutersBy Will Dunham WASHINGTON (Reuters) – Supernovas are not always so super. These explosions that mark the death of a star often are spectacularly energetic. But once in a while …