单词 | space elevator |
释义 | space elevatornoun plural space elevators : a theoretical structure consisting primarily of a long cable that is anchored at the ground, at the midpoint by a satellite in geosynchronous orbit, and at its outer extremity to another mass (such as an asteroid), and that is designed to replace rockets as a method of transporting people and goods into outer space In a little-noticed article, Artsutanov proposed an immense "heavenly funicular," or space elevator—a geosynchronous satellite with cables reaching up to the heavens and down to Earth. Doug Stewart |
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