Science
‘It just sounds like a thud’: astronomers hear biggest cosmic event since big bang – The Guardian
Researchers believe noise was two black holes colliding around 7 billion years ago, creating a previously unseen class of stellar object
Scientists have announced the detection of a signal from a long-ago collision between two black holes that created a new one of a size never seen before.
Its the biggest bang since the big bang observed by humanity, said Caltech professor of physics Alan Weinstein, who was part of the discovery team.
Black holes are compact regions of space so densely packed that not even light can escape them. Until now, astronomers only had observed them in two general sizes: small ones called stellar black …
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