The Tiangong-1 module is China’s first effort to orbit a station in space. The 8.5-ton station has been launched on September 29, 2011, and will be visited first by the crewless Shenzhou-8 automatic ferry craft. Later, Shenzhou capsules carrying up to three passengers will dock with the station during its planned two-year lifespan in orbit.

Source SPACE.com: All about our solar system, outer space and exploration
















































































































![A trajectory analysis that used a computational fluid dynamics approach to determine the likely position and velocity histories of the foam (Credits: NASA Ref [1] p61).](http://www.spacesafetymagazine.com/wp-content/uploads/2014/05/fluid-dynamics-trajectory-analysis-50x50.jpg)



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