Science and Health

Discovery docks at space station on final voyage

(China Daily)
Updated: 2011-02-28 07:24

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]