We all live in a black hole.
Assume:
Nothing can escape a black hole.
All matter/energy came from a single point.
There exists at least one black hole.


Then:
The entire universe as we percieve it must be in a blackhole, because if any blackholes exist now, there must have been enough mass to create the same sized black hole at the time of the big bang.

Unless:
The speed of gravity (light) is not constant and was once faster, or is faster in the presense of gravity.
(This would explain the hubble constant, making the speed of light and speed of gravity inversly proportionate)
There wasnt enough mass to create a black hole at the time of the big bang.(does energy have emit gravity?)
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