We don't have to do all that. The earth can be moved - https://astronomy.stackexchange.com/questions/5914/is-it-possible-to-move-a-planet-out-of-its-orbit-at-l

We don't have to do all that. The earth can be moved - https://astronomy.stackexchange.com/questions/5914/is-it-possible-to-move-a-planet-out-of-its-orbit-at-least-a-lighter-planet https://astronomy.stackexchange.com/questions/5914/is-it-pos... https://worldbuilding.stackexchange.com/questions/44910/how-can-i-move-a-planet https://worldbuilding.stackexchange.com/questions/44910/how-...