[HeadOn]

OK, I believe I understand you, but like most people, my mind is still mostly "Newtonian". Einstein makes my head hurt.

By the way, on your link, what are the units for speed of light? kmh can't be kilometers per hour - that's too slow.

[RadioAstronomer]

kmh can't be kilometers per hour - that's too slow.

LOL! Didn't even see that. Its kilometers/second!