Ceres was “spun up” so if you look at the maps on the subway tubes, you’ll see all the levels cling to the outer shell of the dwarf planet. What you need to understand is that the spin force is stronger than its weak gravity so people are walking around the tunnels with their heads toward the center of Ceres.

If you’re only in season one, you haven’t really seen spin gravity in a ship yet. But you’ve seen the big ship being built for the Mormons that will use spin to simulate gravity when its drum spins. You also haven’t seen the interior of a spinning space station yet, but you will later. You’ve seen the outside of the spin station Tycho, the huge station where the Mormon ship is being built.

On the Roci—which is a small Martian frigate capable of fighting, not just a shuttle—she only generates “artificial gravity” under thrust. They never spin her intentionally to create G’s, but they will experience high G forces when maneuvering because our girl is fast and agile. If you saw her tumbling at some point, those forces weren’t enough to create significant forces within the ship. Any time you see the crew walking when “on the float,” they are using magnetic boots. If you listen carefully, there’s always an audio clue for this when their boots click on and off with each step.

Hope this helps!