External links Gallery about space habitats, in Wikimedia Commons. Lifeboat Foundation Space Habitats, a space habitat advocacy group.
EXTernAl liNKs gALLery aBout SpaCE haBItaTS, in wiKIMEDIa commo.ns lifeboAt foUndatiOn spACE HaBitATs, a SpaCE HabiTat aDvOcaCy grouP.