
Is there a theoretical maximum size for rocky planets?
Feb 9, 2015 · The problem is the transition from "rocky" to "gas giant" is not well defined. From this article: “The largest “terrestrial” planet is generally considered the one before you get too …
How could I keep a planet rocky? - Worldbuilding Stack Exchange
6 days ago · From what I’ve read online, the limiting factor to huge rocky planets isn’t that they’ll collapse. It’s that they’ll gain so much cloud covering that they’ll eventually just turn into a gas …
orbital mechanics - Can a rocky planet form between gas giants ...
Feb 9, 2023 · 5 planets. Accordingly to whoever edited this article on wikipedia, one of them is rocky and the other 4 are gas giants, but the article doesn't says which one is rocky. Looking …
Can a planet rotate on a 90 degree axis and be tidally-locked?
Jan 29, 2025 · A tidally locked planet is a special case of a planet whose rotational axis is parallel to the axis of its orbit. (It is the case for which the rotational period is the same as the orbital …
Half gas half rocky planet - Worldbuilding Stack Exchange
Aug 29, 2018 · Vesta is the largest body that isn't a dwarf planet, and is the most like what you describe: mostly round, but with a huge, global deformation. (It was once a dwarf planet; …
Largest artificial planet - Worldbuilding Stack Exchange
Aug 29, 2018 · After that, just start throwing in whatever is available. Hydrogen is cheap and plentiful in the universe, and since you're going for a huge planet, it's going to be a gas …
evolution - Could a hollow rocky planet the size of Jupiter be ...
So, like my question says, I've been wondering if a rocky planet, that looks much like our planet from the surface (oceans, forests, mountains, ext) could be possible. I've read through a good …
internal consistency - Could humans go from earth to an …
Oct 12, 2018 · That much mass in an rocky planet requires (using the formula for the volume of a sphere V=4/3πr^ 3, and presuming that the planet has the density of Earth) a radius 7.25x …
Through natural means, what could protect a rocky planet from …
Sep 6, 2021 · The width of the forbidden region is calculated from the masses of the primary and the planet, and the distance between the primary and the planetary orbit. I believe that the …
What are reasonable densities for terrestrial planets?
Feb 17, 2021 · $\begingroup$ 3 factors determined planet density: star temperature as the wind will blow away lighter elements, gravity for matter to clump like a moon that hit Earth long ago …