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A space station (or orbital station) is a spacecraft which remains in orbit and hosts humans for extended periods of time. It therefore is an artificial satellite featuring habitation facilities . The purpose of maintaining a space station varies depending on the program.
This is an accepted version of this page This is the latest accepted revision, reviewed on 21 January 2025. Inhabited space station in low Earth orbit (1998–present) "ISS" redirects here. For other uses, see ISS (disambiguation). International Space Station (ISS) Oblique underside view in November 2021 International Space Station programme emblem with flags of the original signatory states ...
International Space Station in 2011, as seen from STS-134. Origins of the International Space Station covers the origins of ISS. The International Space Station programme represents a combination of three national space station projects: the Russian/Soviet Mir-2, NASA's Space Station Freedom including the Japanese Kibō laboratory, and the European Columbus space stations.
A space station (or orbital station) is a spacecraft which remains in orbit and hosts humans for extended periods of time. It therefore is an artificial satellite featuring habitation facilities. The purpose of maintaining a space station varies depending on the program.
Mir was the first modular space station and was assembled in orbit from 1986 to 1996. It had a greater mass than any previous spacecraft. At the time it was the largest artificial satellite in orbit, succeeded by the International Space Station (ISS) after Mir's orbit decayed.
The first mission to the space station, Tianzhou 2, flew on 29 May 2021. Subsequently, Tianzhou 3, Tianzhou 4 and Tianzhou 5 were launched respectively on 20 September 2021, 9 May 2022 and 12 November 2022. The Modular Space Station Core Module would be called Tianhe (天和; Tiān Hé; 'Harmony of the Heavens'), code TH. [21]
Space Station Freedom was a NASA-led multi-national project proposed in the 1980s to construct a permanently crewed space station in low Earth orbit.Despite initial approval by President Ronald Reagan and a public announcement in the 1984 State of the Union Address, the ambitious project faced significant budget cuts and delays.
The International Space Station programme is tied together by a complex set of legal, political and financial agreements between the fifteen nations involved in the project, governing ownership of the various components, rights to crewing and utilisation, and responsibilities for crew rotation and resupply of the International Space Station.