this post was submitted on 19 Jun 2023
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Could Earth be inside a black hole? (www.livescience.com)
submitted 1 year ago by ragica@lemmy.ml to c/science@lemmy.ml
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[–] Gsus4@lemmy.one 1 points 1 year ago

I didn't find any ArXiv links in the page, but the main point is this: given how flat the Universe is, if it is inside a black hole, it needs to be really large in order to keep the curvature inside so flat.