
The Life and Letters of Peter Ilich Tchaikovsky
Modeste Tchaikovsky
₹3,529

An Advanced Earth-Space Infrastructure for the New Millennium
by Jr. Smitherman D. V., NASA
University Press of the Pacific
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What is a space elevator? A space elevator is a physical connection from the surface of the Earth to a geostationary Earth orbit (GEO) above the Earth .35,786 km in altitude. Its center of mass is at the geostationary point such that it has a 24-hr orbit and stays over the same point above the equator as the Earth rotates on its axis.
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