Callisto is one of Jupiter's moons, its second-largest moon (after Ganymede) and the third-largest in the solar system.
It supports a colony of about half a million -- mostly belter families of asteroid minrers and ice haulers.
Callisto is one of Jupiter's moons, its second-largest moon (after Ganymede) and the third-largest in the solar system.
It supports a colony of about half a million -- mostly belter families of asteroid minrers and ice haulers.