jwm1·3 года назад·discussThat sounds like Dasher (https://dasher.acecentre.net/about/), invented by the late David MacKay.
jwm1·5 лет назад·discussCycling a large asteroid between Earth and Jupiter could be used to slowly shift the orbit of Earth, most of the energy coming from Jupiter. Astronomical engineering: a strategy for modifying planetary orbits [https://arxiv.org/abs/astro-ph/0102126]