10 years since LIGO first saw a gravitational wave - from 1.3B light-years away
10 years since LIGO first saw a gravitational wave - from 1.3B light-years away
www.space.com
Gravitational wave detector confirms theories of Einstein and Hawking: 'This is the clearest view yet of the nature of black holes'
"In 1971, Hawking, along with physicist Jacob Bekenstein, predicted that when black holes merge, the total area of the resultant daughter black hole's event horizon would be larger than the area of the progenitor black holes' event horizons combined...."