The concepts of space stations and space habitats feature in science fiction. The difference between the two is that habitats are larger and more complex structures intended as permanent homes for substantial populations (though generation ships also fit this description, they are usually not considered space habitats as they are heading for a destination[1]), but the line between the two is fuzzy with significant overlap and the term space station is sometimes used for both concepts.[2][3] The first such artificial satellite in fiction was Edward Everett Hale's "The Brick Moon" in 1869,[2][4] a sphere of bricks 61 meters across accidentally launched into orbit around the Earth with people still onboard.[1][5]
GreenwoodHabitats
was invoked but never defined (see the help page).SFEHabitats
was invoked but never defined (see the help page).