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Q: How did this black hole get so big? A: Maybe it's really two black holes.

2 Dec 2019, 14:00 UTC
Q: How did this black hole get so big? A: Maybe it's really two black holes. Jingchuan Yu / Beijing Planetarium

Astronomers have found a black hole in our galaxy that’s a lot bigger than we thought this kind could get: It has about 70 times the mass of the Sun, and models of how a black hole like this can form have trouble producing one this beefy.

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