The conversation between human and AI assistant.
How reasonable is it for us to extrapolate what is out of the observable universe? What are some current theories?
That's interesting. What evidence is there to support this theory?
Some evidence comes from the cosmic microwave background radiation, which is thought to have originated from just after the Big Bang. This radiation is nearly uniform in every direction we look, indicating that the universe is isotropic and homogeneous, which would suggest it's infinite.