asteroid ship is being undertaken with the population largely ignorant of their status, a decision made by the mission planners in the belief that the crew's resolve could not have endured otherwise. Macrolife, a 1979 novel by George Zebrowski, which explores the notion of humanity exploiting hollowed-out asteroids as spacecraft for survival and colonization. Orphans of the Sky, a 1941 novel by Robert A. Heinlein, in which a generation ship is populated by descendants of an original crew similarly degenerated into pre-technological savagery and ignorant of the spacecraft's original purpose. The Starlost, a Canadian Sci-Fi series about a sleeper ship, in which most of the passengers are unaware that their "world" is, in fact, a spaceship. Season 1 episode 4 of The Orville (2017) the crew discover an inhabited ship in which the inhabitants do not realize they are onboard. For the World Is Hollow and I Have Touched the Sky (2004), featured song on Iris EP by Swedish post-rock band Jeniferever. Home video release "For the World is Hollow and I have Touched the Sky" was released in 1988 on LaserDisc in the United States. It was published by Paramount Home Video, and was released as pair with "The Tholian Web". Star Trek titles were popular on the growing home video market in the 1980s, the Star Trek II film had helped establish the home video market. This episode was released in Japan on December 21, 1993 as part of the complete season 3 LaserDisc set, Star Trek: Original Series log.3. A trailer for this and the other episodes was also included on and additional disc, and the episode had English and Japanese audio tracks. The cover script was スター・トレック TVサードシーズン for the set. References External links "For the World Is Hollow and I Have Touched the Sky" Preview of the remastered version at TrekMovie.com Star Trek: The Original Series (season 3) episodes 1968 American television episodes Generation ships in fiction Fiction about supernovae