Light and gravitational waves don't arrive simultaneously
Light and gravitational waves don't arrive simultaneously
bigthink.com Light and gravitational waves don't arrive simultaneously
In 2017, a kilonova sent light and gravitational waves across the Universe. Here on Earth, there was a 1.7 second signal arrival delay. Why?
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They are not emitted simultaneously. The collision is messy. The GRB comes from leftover bits of neutron star.
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