Every satellite falls back toward earth. But when it’s a giant, 12,500-pound version (about the size of an average elephant), expected to hit somewhere on earth between Thursday and Saturday, people take notice. While the Upper Atmosphere Research Satellite (UARS) rushes at 17,000 mph toward reentry, the NASA satellite could fling as many as 26
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Satellite Falling to Earth? NASA Scientist Puts It Into Perspective