Ask Ethan: Do evaporating black holes ever lose their event horizons?
Here in our Universe, there are few objects more awe-inspiring or mysterious than black holes. First theorized to exist back in the late 18th century, they represent a region of space where so much mass and energy is confined within such a small volume that, from within it, nothing can escape: not even light itself. Black holes are bounded by an event horizon, and as more and more mass falls into…
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