Several moons in the Solar System are terraformed locations with inhabited cities. Earth's moon was destroyed by the Astral Gate accident. Other terraformed moons exist off Jupiter (Ganymede, Callisto) and Saturn (Titan).
Pages in category "Moons"
“ Earth's Moon was destroyed during the Astral Gate accident, causing daily meteor showers on Earth.
“ Callisto is an ice-covered moon of Jupiter, and the third-largest moon in the Solar System...