A space elevator is 'a bridge to the entire solar system.'
are already testing new, potentially ground-breaking technologies that could dramatically slash the costs of sending small satellites and scientific payloads to space.
With space elevators, "the word “space mission" would be replaced by "transit," as trips to space become routine and mostly independent of weather conditions," Cohen writes. "Transits involving humans would be safer than current practices, whereby astronauts must accept a nonnegligible risk to their lives with each launch."
Misra told him about the space elevator concept, a 62,130-mile-long cable that extends up into the sky from the Earth's equator and is attached to a satellite in a geosynchronous orbit — meaning it orbits at the same speed as the Earth and, therefore, flies over a fixed location. Different concepts over the years have suggested different types of mechanical climbers. One space elevator concept, for example, would utilize maglev rail transporters to traverse the massive space cable at very high speeds.
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