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Understanding Black Holes
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1:32:05 - 1:36:00 (03:55)

The formation and settling down of a black hole is defined by two quantities, its mass and spin, which was demonstrated by Roger Penrose in the 1960s. With compelling evidence in the last 50 years, it has become understood that black holes exist as the remnants of stars or big ones in the center of galaxies.

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