Image:Nasa space elev.jpg

Artist concept: Space Elevator

The above illustration for a Space Elevator concept is taken from the geo-stationary transfer station looking down the length of the elevator structure towards Earth. Electromagnetic vehicles travel the length of the elevator to transfer passengers and cargo between Earth and space. Large reels with high strength cables work back and forth to provide adjustments to the position of the geo station and an asteroid counter weight above (not shown) to maintain the center of mass for the entire structure at a geo-stationary point above the Earth.

source: http://nix.larc.nasa.gov/info;jsessionid=b5c6c7nhf61hi?id=MSFC-0302060&orgid=11

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• Ascenseur spatial