Once you form a geology team do they have to be activated to survey their current planet or will they do it automatically? Also do you need to put them on a ship with a geo survey scanner to have them rescan other bodies, or do you move them in any ship from body to body? I assume they don't have to land to survey uninhabitable bodies. Thanks.
No, they don't need to be activated - they survey the body of the colony in which they are.
No, they don't work from ships, they work from colonies (on the ground). In other words, they always have to land. I think you're being confused by the word "uninhabitable" - it doesn't mean that no "colonies" are allowed, it just means you can't put colonists in them.
John