Black hole cosmology suggests that the Milky Way and every other observable galaxy in our universe is contained within a black hole that formed in another, much larger, universe.

Forgive my dumb question. Why would we see the universe as expanding then?

Since

Black holes are incredibly dense objects where immense gravity crushes matter into an infinitesimally small point called a singularity

File a GDPR thingy to have them remove your data.

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