Because the entire universe is inside a black hole and what we percieve as expansion is acceleration to a singularity?
https://cosmosmagazine.com/science/graph-measures-objects-universe-black-hole/
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Because the entire universe is inside a black hole and what we percieve as expansion is acceleration to a singularity?
https://cosmosmagazine.com/science/graph-measures-objects-universe-black-hole/
“The plot suggests that if there were nothing – a complete vacuum – beyond the observable universe, our Universe would be a large, low density black hole. This is a little scary, but we have good reason to believe that’s not the case,” Patel added."
Your source refutes your claim.