
Source: Hindustan Times
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A Soyuz craft with 2 Russians and 1 American docks at the International Space Station.
Feature | 
International Space Station (ISS) | 
Mir | 
Tiangong | 
Skylab | 
Salyut | 
| 
 Country  | 
 International (USA, Russia, ESA, Japan, Canada)  | 
 Russia  | 
 China  | 
 USA  | 
 Russia  | 
| 
 Operational Period  | 
 1998 – present  | 
 1986 – 2001  | 
 2021 – present (Tiangong)  | 
 1973 – 1979  | 
 1971 – 1986  | 
| 
 Primary Purpose  | 
 Research in space science, technology  | 
 Long-term habitation and research  | 
 Scientific research, technology testing  | 
 Research on space adaptation  | 
 Early space science research  | 
| 
 Size  | 
 ~109 meters (length)  | 
 ~19 meters (length)  | 
 ~22 meters (length)  | 
 ~25 meters (length)  | 
 ~15 meters (length)  | 
| 
 Crew Capacity  | 
 Up to 6 (permanent crew)  | 
 Up to 6  | 
 Up to 3  | 
 Up to 3  | 
 Up to 3  | 
| 
 Unique Features  | 
 Largest artificial object in space, multinational collaboration  | 
 First modular space station  | 
 Modular design, new technology for long-term stays  | 
 First US space station  | 
 First space station program  | 
Must read on ISS: https://www.iasgyan.in/daily-current-affairs/international-space-station-32
Sources:
| 
 PRACTICE QUESTION Q:In the context of International Space Station (ISS), consider the following statements: 
 Which of the statements given above are correct? a) 1 and 3 only b) 2 and 3 only c) 2 only d) 1 and 2 only Answer: a Explanation: 1st statement is correct: The ISS orbits Earth approximately every 90 minutes, at an altitude of around 400 kilometers, traveling at a speed of roughly 28,000 kilometers per hour. 2nd statement is incorrect: Russia launched the first segment of the International Space Station (ISS), known as the Zarya Control Module. 3rd statement is correct: The ISS was originally built to operate for 15 years. The space station has already surpassed that checkpoint with plans to continue operations till 2030.  | 
								
								
								
								
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