Quote:
Originally Posted by Urbane Guerrilla
Somebody doesn't quite understand that the "space elevator" is from surface to low Earth orbit, not to the moon.
|
Well, it's obviously not to the Moon, but it's well past LEO. Unless we want the orbiting end to be constantly expending fuel just to stay in the sky, it's gotta be in geostationary orbit almost 36000 miles out. And that's where the center of mass has to be- half of the weight has to be past that.