this post was submitted on 03 Sep 2025
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I think what you're looking for is a Lagrange point, specifically L1, where the gravitational pull from both bodies are equal, so they cancel out
Fun fact, we can theoretically use that to build a space elevator on the moon. Last I checked, Nylon was strong enough to build the needed cables
There are a few more problems than material strength
For one, the moon isn't geostationary, and my napkin math says its ground track probably progresses at over 1000 kilometers per hour. Not to mention the inclination of the moon's orbit (about 5°) and the obliquity of earth's axis (about 23°) mean the track wouldn't be a single track around earth, but instead would wander anywhere between the 28°N/S latitude lines over the course of the year
Not a space elevator between the Earth and Moon. A space elevator for just the moon.
While a railgun is a more practical option to set up, it's still fun to think about.
And for non-rocket launches feom Earth, we're probably better off setting up orbital rings