Earth Colonies (Shelter)

By 2573, the humans have established many colonies.

Solar system

 * Earth
 * Luna
 * Mars
 * Jupiter
 * Io
 * Europa
 * Ganymede
 * Callisto
 * Saturn
 * Titan
 * Uranus
 * Ariel]]
 * Neptune
 * Triton
 * Nereid