A solid clarification of gravitational myths, though it mostly retreads textbook basics rather than offering truly obscure insights.
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5 Things You Didn't Know About Black HolesAdded:
Black holes do not suck objects in.
Instead, they exert a gravitational pull like any other massive object. If the Sun were to become a black hole, it would have the same mass but be about the size of a marble. Stellar black holes can be detected through X-ray emissions as they consume nearby matter.
Supermassive black holes in active galactic nuclei can emit powerful jets of particles. The Milky Way's supermassive black hole is estimated to be about 4.1 million solar masses.
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