Space Station

Space Station

In 1951, in Collier's Weekly , Wernher von Braun published his design for a rotating wheel space station , which referenced Potočnik's idea – however these concepts would never leave the concept stage during the 20th century. [5]The International Space Station (ISS) is a multi-nation construction project that is the largest single structure humans ever put into space. Its main construction was completed between 1998 and 2011, although the station continually evolves to include new missions and experiments. It has been continuously occupied since Nov. 2, 2000.

Wiki info

Today's space stations are research platforms, used to study the effects of long-term space flight on the human body as well as to provide platforms for greater number and length of scientific studies than available on other space vehicles. Each crew member stays aboard the station for weeks or months, but rarely more than a year. Since the ill-fated flight of Soyuz 11 to Salyut 1, all human spaceflight duration records have been set aboard space stations. India is expected to conduct a human spaceflight through Gaganyaan program by 2021 and has announced to follow with a space station. The duration record for a single spaceflight is 437. 75 days, set by Valeri Polyakov aboard Mir from 1994 to 1995. As of 2016[update], four cosmonauts have completed single missions of over a year, all aboard Mir. Space stations have also been used for both military and civilian purposes. The last military-use space station was Salyut 5, which was used by the Almaz program of the Soviet Union in 1976 and 1977.

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