After Black Holes Collide, a Puzzling Flash

Published: March 10, 2016, 5 p.m.

b'A satellite spotted a burst of light just as gravitational waves rolled in from the collision of two black holes. Was the flash a cosmic coincidence, or do astrophysicists need to rethink what black holes can do?

The post After Black Holes Collide, a Puzzling Flash first appeared on Quanta Magazine

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