On Sept. 14th, 2015, physicists directly observed gravitational waves created by the merger of 2 black holes. Northwestern University's Vicky Kalogera and Shane Larson explain the find.
On Sept. 14th, 2015, physicists directly observed gravitational waves created by the merger of 2 black holes. Northwestern University's Vicky Kalogera and Shane Larson explain the find.
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