Science and Health
Discovery docks at space station on final voyage
(China Daily)
Updated: 2011-02-28 07:24
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The International Space Station's robotic arm, Canadarm2, prepares to grapple the Space Shuttle Discovery's orbiter boom sensor system arm as the crew prepares to dock the Express Logistics Carrier-4 to the station in this image from NASA TV February 27, 2011. [Photo/Agencies]
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