Or scientists / astronomers could just give up on the notion that gravity keeps the universe together.
Then, in the same breath, you can get rid of the silly notion of "black holes"

They could also throw out the very strange and very weird idea that the universe started in a "bang"

All of these notions were shoved down astronomer's throats at the time.
With Rock-e-fellow giving money to those who believed in the palp (and giving them univ positions)

The electric universe model explains so much more with so much less complexity.