In this file image provided by NASA this is the STS-48 onboard photo of the Upper Atmosphere Research Satellite (UARS) in the grasp of the RMS (Remote Manipulator System) during deployment, from the shuttle in September 1991. NASA says those new calculations show the 20-year-old satellite entered Earth's atmosphere generally above American Samoa. But falling debris as it broke apart didn't start hitting the water for another 300 miles to the northeast, southwest of Christmas Island, just after midnight EDT Saturday, Sept. 24, 2011.
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