May 26, 2017
Astronomers witness star’s death, birth of new black hole
Posted by Dan Kummer in category: cosmology
May 25 (UPI) — In 2015, a star tracked by astronomers since 2009, suddenly disappeared. New research suggests the star collapsed and became a black hole, but avoided the explosive violence of a supernova.
The discovery, detailed in the Monthly Notices of the Royal Astronomical Society, could explain why many of the universe’s most massive stars die without a parting explosion.
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