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On the International Space Station (ISS), extravehicular activities are major events in the building and maintaining of the orbital laboratory, [1] and are performed to install new components, re-wire systems, modules, and equipment, and to monitor, install, and retrieve scientific experiments. [2] [3]
An animation displaying different views of the Z1 Truss which was installed on the International Space Station by the crew of STS-92. This 2001 photo shows the alternate configuration of the truss, in which Z1 Truss was a critical element between the solar arrays and the modules. Photo includes the P6 solar array.
The process of assembling the International Space Station (ISS) has been under way since the 1990s. Zarya , the first ISS module, was launched by a Proton rocket on 20 November 1998. The STS-88 Space Shuttle mission followed two weeks after Zarya was launched, bringing Unity , the first of three node modules, and connecting it to Zarya .
The project began as Space Station Freedom, a US only effort, but was long delayed by funding and technical problems.Following the initial 1980's authorization (with an intended ten year construction period) by Ronald Reagan, the Station Freedom concept was designed and renamed in the 1990s to reduce costs and expand international involvement.
The International Space Station (ISS) is a large space station that was assembled and is 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 Materials International Space Station Experiment (MISSE) is a series of experiments mounted externally on the International Space Station (ISS) that investigates the effects of long-term exposure of materials to the harsh space environment.
Date/Time Thumbnail Dimensions User Comment; current: 18:59, 10 April 2010: 2,841 × 4,280 (1.35 MB): Ras67 {{Information |Description={{en|1=The space shuttle Discovery and the International Space Station are in the midst of their rendezvous and docking activities in this image photographed by an Expedition 23 crew member aboard the orbital outpost.
Columbus is a science laboratory that is part of the International Space Station (ISS) and is the largest single contribution to the ISS made by the European Space Agency (ESA). Like the Harmony and Tranquility modules, the Columbus laboratory was constructed in Turin , Italy by Thales Alenia Space .