A little learning is a dangerous thing;
Drink deep, or taste not the Pierian spring:
There shallow draughts intoxicate the brain,
and drinking largely sobers us again! Alexander Pope
Friday, October 3, 2008
THE MOON IS FALLING?
The moon is always falling. It has a sideways motion of its own that balances its falling motion. It, therefore, stays in a closed orbit about the earth, never falling altogether and never escaping altogether.