Black Hole 'Wakes Up' After 26-Year Slumber
Thursday, July 2, 2015 - 13:30
in Astronomy & Space
After "sleeping" for 26 years, a black hole's activity lit up astronomical observatories on June 15,and it's still going on today.
Updated by artificial intelligence Tue, 13 Jun 2023, 2:53:47 UTC Learn more
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