Solar Arrays (ISS)

Solar Arrays (ISS)

Nickvet419
The International Space Station's main source of energy is from three of the four large U.S.-made photovoltaic arrays currently on the station, sometimes referred to as the Solar Array Wings (SAW). The first pair of arrays are attached to the P6 truss segment, which was launched and installed on top of Z1 in late 2000 during STS-97. The P6 segment was relocated to its final position, bolted to the P5 truss segment, in November 2007 during STS-120. The second pair of arrays was launched and installed in September 2006 during STS-115, but they didn't provide electricity until STS-116 in December 2006 when the station got an electrical rewiring. A third pair of arrays was installed during STS-117 in June 2007. A final pair arrived mid March 2009 on STS-119. Author/Origin: NASA Johnson Space Center http://www.nasa.gov/centers/johnson/home/
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