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The International Space Station (ISS) is a large space station assembled and maintained in low Earth orbit by a collaboration of five space agencies and their contractors: NASA (United States), Roscosmos (Russia), ESA (Europe), JAXA (Japan), and CSA (Canada). The ISS is the largest space station ever built.
The Lunar Gateway, or simply Gateway, is a space stationwhich is planned to be assembled in orbit around the Moon. The Gateway is intended to serve as a communication hub, science laboratory, and habitation module for astronautsas part of the Artemis program. It is a multinational collaborative project: participants include NASA, the European ...
International Space Station mockup at Johnson Space Center in Houston, Texas. The space station is located in orbit around the Earth at an altitude of approximately 410 km (250 mi), a type of orbit usually termed low Earth orbit (the actual height varies over time by several kilometers due to atmospheric drag and reboosts).
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.
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.
This list of space stations is grouped by countries responsible for their operations. The space stations where multiple countries are responsible for their operations are listed separately. Planned and canceled space stations are excluded from this list. Never crewed, prototype. ‡.
Overview. [edit] As of 2024,[update]Skylab was the only space stationoperated exclusively by the United States. A permanent stationwas planned starting in 1988, but its funding was canceled and U.S. participation shifted to the International Space Stationin 1993. Skylab had a mass of 199,750 pounds (90,610 kg) with a 31,000-pound (14,000 kg ...
Orbit State In service from International Space Station: 450,000 kg (992,080 lb) Space station Listed mass includes attached vehicles and is estimated by ESA. [3] Completed station mass is 419,725kg [4] [5] LEO: In service: 1998– (at present size: 2021) Starship Ship 28: 200,000 kg (440,925 lb) [6] Mass is a rough estimate. Demonstrated it ...