> Can someone explain why the universe is expanding at all? I think the answer to this is “no”. If you could properly ascribe a “cause” to the universe’s expa

> Can someone explain why the universe is expanding at all? I think the answer to this is “no”. If you could properly ascribe a “cause” to the universe’s expansion (and could prove it), you would definitely be first in line for a Nobel prize, at the very least. And no, “dark energy” isn’t an answer; it’s a placeholder term for that which we don’t understand about the universe’s expansion.