Since they were first observed in 2015, gravitational waves have enabled scientists to detect large numbers of previously unseen black holes and work out some of the objects’ bulk properties – such as their masses and distances from Earth. But a pair of physicists in the UK reckons it should be possible to do much better. The researchers argue in a new paper that gravitational waves could tell us in some detail about how black holes swallow up objects as they grow – and in doing so help resolve the information paradox brought about by Hawking radiation.
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