Dr. Adequate writes:
I hope the physicists round here will tell me if I've got anything wrong, and the non-physicists will tell me if I've been unclear.
Well, I'm just a library administrator but I do have a degree in geological engineering with an emphasis on geophysics. Unless the laws of physics have changed since I last payed attention, you are dead on correct in both facts and explanation so far as I know.
Edited by anglagard, : change misplaced semicolon to apostrophe
Read not to contradict and confute, not to believe and take for granted, not to find talk and discourse, but to weigh and consider. - Francis Bacon