Flashcard sets with a 'black hole' term meaning 'in astronomy, an object so massive that nothing, not even light, can escape its gravitation. they were given their name becuase they absorb all the light that falls on them. the existence was first predicted by the general theory of relativity. supermassive ones have been found in the centers of many galaxies. stellar ones are thought to arise from the death of very massive stars.'

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