Simply put we can't know and we can never know *if the universe is flat*. Now, i...

		pixl97 3 months ago \| parent \| context \| favorite \| on: How many supernova explode every year? Simply put we can't know and we can never know if the universe is flat. Now, if the universe has a curvature then we could use that as a baseline for the size of the universe, but as of so far we've not detected one.