It’s not quite a “Stairway to Heaven,” but scientists have come up with what appears to be a perfectly feasible plan to build an elevator to the Moon. Or, more accurately, a Spaceline from the Moon to the Earth. In a paper published in late August, astrophysicists Zephyr Penoyre and Emily Sandson of the University of Cambridge and Columbia University respectively, describe a method for the construction of a 322,000 kilometer-long (200,000 miles) cable anchored to the Moon and dangled across space into the Earth‘s gravitational field. Before we get into how, let’s talk about why we’d want to build…
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