3. China's Manned Space Laboratory
Video still showing China's Shenzhou 8 spacecraft docked with the Tiangong 1 lab module on Nov. 3, 2011.
CREDIT: China Central Television
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China, a growing player in space, is working on its own manned space station. This year the nation launched its first space station test module and conducted its first in-orbit rendezvous and docking. Though these spacecraft were unmanned, Chinese astronauts are expected to fly on a subsequent docking test flight in 2012.
The Tiangong-1 module, launched Sept. 29, is still in orbit. The robotic Shenzhou 8 mission launched Oct. 31 and met up with Tiangong-1 multiple times before returning to Earth in November.
The next docking missions, which will further develop this critical skill for building a space station, will be Shenzhou 9 and Shenzhou 10. At least one of them will be crewed, Chinese officials have said.
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