INTERNATIONAL SPACE STATION (AP) - The space shuttle Atlantis has undocked from the international space station and is heading back to Earth.
The space station commander continued a tradition by ringing a bell and saying "Atlantis departing."
Pilot Lee Archambault guided Atlantis on a quick trip around the station so photos could be taken of the solar power array the crew installed on the station.
Astronauts will use a camera at the end of a robotic arm and boom for a final inspection of the shuttle's heat shield to make sure it's undamaged and can withstand the intense heat of re-entering the Earth's atmosphere.
The inspection was added to all shuttle missions after the Columbia accident four years ago that killed seven astronauts.
Atlantis is scheduled to land on Thursday.
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