Earth is seen behind Space Shuttle Discovery in this image photographed by an Expedition 20 crew member on the International Space Station soon after the shuttle and station began their post-undocking relative separation in this NASA handout photo taken September 8, 2009. The STS-128 and Expedition 20 crew concluded nine days of cooperative work onboard the shuttle and station before undocking the two spacecraft. REUTERS/NASA/HandoutFrom Yahoo News/Space.com:
The space shuttle Discovery will have to dodge a mysterious piece of orbital trash before trying to land in Florida Thursday.
Shuttle commander Rick Sturckow and pilot Kevin Ford will fire Discovery's thrusters at about 12:02 p.m. EDT (1605 GMT) to move their spacecraft clear of the space junk and continue on with their planned landing attempt today.
The "mystery orbital debris," as Mission Control called it, apparently came free from the shuttle or the International Space Station while both vehicles were linked during a spacewalk on Saturday. NASA engineers do not know what the object is or its size, but it has been creeping ever closer to Discovery since the shuttle fired its engines to leave the station's orbital neighborhood Tuesday.
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