The six shuttle astronauts and five station residents embraced and said farewell early Friday before the hatches between the shuttle and station were sealed in preparation for Friday night's undocking.
Endeavour will leave behind a virtually completed space station. The shuttle crew delivered and installed a new room and observation deck that is providing amazing views of Earth.
Late Thursday, the astronauts celebrated the addition of the domed seven-window lookout by cutting a red ribbon in a formal opening ceremony. They also handed over a plaque containing tiny moon rocks from the lunar surface.
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