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Perpetually_isolated t1_iv3qjnp wrote

Reply to comment by zuzg in Closest known black hole to Earth spotted by astronomers by lunarmoonr

That would make it ridiculously tiny right?

I mean i guess all singularities are small but as far as black holes go that doesn't sound very massive at all.

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wandering_revenant t1_iv65oik wrote

I think someone referenced it being 28 km across. We have cities that are larger across than this thing. But more importantly, our great, great, great X 10 grandkids would be long dead before this thing could come close enough to us to care about it.

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