Base place, in sci-fi (4)

I believe the answer is:

moon

(Other definitions for moon that I've seen before include "Happy to be over this" , "Earthly satellite" , "Daydream - Europa of Jupiter, say" , "low point" , "Night light" .)

I've seen this clue in The Washington Post.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.