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.
After "sleeping" for 26 years, a black hole's activity lit up astronomical observatories on June 15,and it's still going on today.