They've shown up on several colony planets for the first time.

Players begin with a single colony planet which must be developed.

"And if we don't stop for food on a colony planet?"

I could be sent to one of the colony planets, the good old frontier.

"Thought you always said you wouldn't be caught dead on a colony planet."

Possibly it began as an infection on an early colony planet.

And all this nonsense about opening up the colony planets too.

"Have you ever been to one of the colony planets?"

Apparently force curtains were a luxury on a colony planet.

They were both killed on one of our colony planets.