> The major planets don’t even stay put in their orbits over long time-scales. The gas giants have shuffled around in the past. Wow, that’s a surprising tidbit

> The major planets don’t even stay put in their orbits over long time-scales. The gas giants have shuffled around in the past. Wow, that’s a surprising tidbit https://en.m.wikipedia.org/wiki/Grand_tack_hypothesis https://en.m.wikipedia.org/wiki/Grand_tack_hypothesis