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Charlotte Allen——Studied at the University of Zurich, Lives in Zurich, Switzerland.
The event horizon is where the escape speed exceeds the speed of light: you'd have to be going faster than light (which is impossible for any bit of matter) to escape the
black hole's gravity.
Inside the event horizon is where physics goes crazy. ... A singularity is what all the matter in a
black hole gets crushed into.
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