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New evidence supports exploding asteroid
Endeavour was to undock from the space station at 7:56 p.m. EDT Monday and begin its journey back to Earth.
The primary mission of STS-123 was the delivery of the first section of the Japanese space agency's new laboratory module, Kibo, and Canada's new robotics system -- the Special Purpose Dexterous Manipulator, or Dextre.
National Aeronautics and Space Administration controllers in Houston said the shuttle is scheduled to land at 7:01 p.m. EDT Wednesday at the Kennedy Space Center in Florida.