Black holes are not actually holes
Black holes are not empty spaces but incredibly dense collapsed stars with gravity so strong that nothing, not even light, can escape their grasp.
Despite their name, black holes are not empty spaces but incredibly dense objects. They form when massive stars, at least 20 times the Sun's mass, collapse under their own gravity, compressing their matter into an infinitely small point called a singularity. Their gravity is so extreme that nothing, not even light, can escape once it crosses the event horizon.
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