extragalactic
extraplanetary
extraterrestrial
solar
amusement-park
aronnian
cloud-covered
colonizable
far-side
federated
half-wrecked
heavyworlders'
high-gravity
inhabit
inhabitable
methane-ammonia
next-to-the-last
non-federation
nonorganic
off-earth
resource-rich
terracompatible
terrestroid