3 ms·
To achieve inexpensive space access. (as per the GP) http://en.wikipedia.org/wiki/Space_elevator_economics http://en.wikipedia.org/wiki/Space_elevator_economic
by eneveu 15y ago
To achieve inexpensive space access. (as per the GP)
http://en.wikipedia.org/wiki/Space_elevator_economics http://en.wikipedia.org/wiki/Space_elevator_economics