Created page with "Light travels at a constant, finite speed of 186,000 mi/sec. A traveler, moving at the speed of light, would circumnavigate the equator approximately 7.5 times in one second...."
(Created page with "Light travels at a constant, finite speed of 186,000 mi/sec. A traveler, moving at the speed of light, would circumnavigate the equator approximately 7.5 times in one second....")