I am by no means anything close to a physicist, but I would imagine it is because of the same principle as the inverse quare law. https://en.m.wikipedia.org/wi

I am by no means anything close to a physicist, but I would imagine it is because of the same principle as the inverse quare law. https://en.m.wikipedia.org/wiki/Inverse-square_law https://en.m.wikipedia.org/wiki/Inverse-square_law