

9 years ago
1
TIL that the biggest black hole to have been observed has a mass equivalent of 17 billion suns and is about 11 times as wide as the orbit of Neptune.
The supermassive black hole is located inside the galaxy NGC 1277 in the constellation Perseus.
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That seems like very little mass considering its size... at the same time, I know nothing of astrophysics so I may just be jabbering.