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.
wandering_revenant t1_iv65oik wrote
Reply to comment by Perpetually_isolated in Closest known black hole to Earth spotted by astronomers by lunarmoonr
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.