throw in all the motions, the earth's rotation, its' orbit around the sun, the suns orbit within our galaxy, our galaxies motion through the universe.....runs up on the order of several hundred thousand miles an hour in a curving path. Keeping that in mind it makes true the statement that lightning never strikes twice in the same place. From one second to the next you will never occupy the same point in space twice.......NEVER. The trip to the moon was done at a crawl. Being an avionics troop, every time I go to the air and space museaum and look at the apollo 11 command module, I hear princess lea in my head.....you came in THAT? your braver than I thought!