No. We can do experiments and gather lots of data that is consistent with the theory of gravity, and none that is inconsistent with it, but that doesn't prove it. There really could be angels pushing everything around.
"There really could be angels pushing everything around."
Well, then I suppose we should be teaching that also.
"There really could be angels pushing everything around."
Man...they must be getting tired after a few billion years of it. Talk about your dead-end jobs! Whew!