The Upper Atmosphere Research Satellite plunged back to Earth between 11:23 p.m. ET and 1:09 ET, NASA said on its Web site. The re-entry time and location were still not known, the agency said, adding that the satellite was passing eastward over Canada and Africa, as well as vast portions of the Pacific, Atlantic and Indian Oceans during that period.
美国宇航局(NASA)在其网站发布消息称，“高层大气研究卫星”于美东时间23日深夜11时23分至24日凌晨1时9分之间坠入地球大气层。不过宇航局表示目前仍无法判断其返回地球的时间和具体的坠落地点。其并补充道，在这段时间内，卫星将东移至加拿大和非洲，太平洋，大西洋和印度洋的广大区域。

The fate of the satellite stirred online interest and speculation Friday and early Saturday. NASA said through Twitter that debris remained the property of the U.S. government and warned that people should not approach or touch any pieces they might come across.
周五及周六早上，卫星的命运牵绊着许多网友的心，引起了广泛关注及猜测。美国宇航局在Twitter上表示，卫星残骸仍归美国政府所有，并提醒人们不要靠近或者触摸可能碰到的任何碎片。

The satellite was expected to re-enter between 11:45 p.m. Friday and 12:45 a.m. Saturday. A day earlier, NASA had said it expected re-entry on Friday afternoon.
据推测，卫星将于（美东时间）周五深夜11时45分至周六中午12时45分返回地球。一天前，美国宇航局称卫星将于周五下午返回地球。

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美国报废卫星今日将撞击地球 落点尚不确定