“One of the biggest problems facing modern astronomers, astrophysicists, and cosmologists — every scientist who studies the Universe itself for a living — is that we do not understand how quickly the Universe is expanding” Big Think, Sept. 20, 2023.
Since the universe is not expanding, Ethan is right on this one!
We also do not understand how many angels can dance on the head of a pin. Fantasy physics is hard!
Which is right, physics trapped inself in a failed model