How can two black holes with event horizons merge within the lifetime of the universe? Basically events are happening where events stop (to the outside observer) so does an event horizon actually exist? According to gravitational wave detectors on Earth, two black holes merged within fractions of a second.
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$\begingroup$ Here is a related question: physics.stackexchange.com/q/26478 $\endgroup$– Chiral AnomalyNov 15, 2018 at 4:23
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$\begingroup$ Possible duplicate of So Black Holes Actually Merge! In 1/5th of a Second - How? $\endgroup$– John RennieNov 15, 2018 at 5:18
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$\begingroup$ Also Can black holes actually merge? $\endgroup$– John RennieNov 15, 2018 at 5:18
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