Explainer: A theoretical cosmologist describes how large black holes really are, and the ‘point of no return’
Black holes are among the most fascinating phenomena of outer space, and we’re learning more about them all the time. Just last week, a group of astronomers published a paper documenting a rare visible collision of black holes, which produced a flash of light that allowed scientists to see the event from Earth.
phys.org
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2020-06-30
