noun
an object in space with a gravitational pull so strong that nothing, not even light, can escape it
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Scientists have been studying the gravitational effects of a black hole for decades.
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Did you know that a black hole is a region of spacetime where gravity is so strong that nothing, not even light, can escape?
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Dude, black holes are like the ultimate vacuum cleaners of the universe!
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Her debt was like a black hole, constantly sucking in all of her money.