Space Station: Difference between revisions

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An artificial structure in space, where people live and work. Unlike the [[Cool Starship]], the Space Station is usually fixed in orbit around a planet or at a particular point in space. It also allows for the construction of a standing studio set and avoids expensive location shoots.
 
Real-world space stations have existed since 1971 (Salyut 1). Five of them, the incomplete but still functional International Space Station, the Chinese Tiangong-1 and Tiangong-2, and the privately-owned Genesis I & II are in orbit as of mid-September 2016; all but the ISS are unmanned. These are all much smaller than what one is used to in sci-fi shows. The list for the interested can be seen below.
 
Space stations in fiction have a tendency to be very large, sometimes housing an entire city. Many have adopted a wheel design for a centrifuge-based system of gravity (unless [[Artificial Gravity]] is employed), but this is not obligatory. If sufficiently large to support a sizeable permanent population, a space-station may be referred to as an "orbital habitat" or "space colony". [[Colony Drop|Don't drop it!]] The problem of gas exchange and food production is often solved by incorporating a closed ecosystem and green plants onboard, sometimes in dirt, sometimes hydroponics, sometimes algae aquaculture.