中国“天宫一号”残片坠落到南太平洋
<p><span word="A">A</span> <span word="defunct">defunct</span> <span word="Chinese">Chinese</span> <span word="space">space</span> <span word="lab">lab</span> <span word="met">met</span> <span word="its">its</span> <span word="expected">expected</span> <span word="end">end</span> <span word="early">early</span> <span word="Monday">Monday</span> <span word="morning">morning</span> <span word="as">as</span> <span word="its">its</span> <span word="remaining">remaining</span> <span word="fragments">fragments</span> <span word="plunged">plunged</span> <span word="into">into</span> <span word="the">the</span> <span word="South">South</span> <span word="Pacific">Pacific</span>.</p><p><span word="China">China</span>'<span word="s">s</span> <span word="Manned">Manned</span> <span word="Space">Space</span> <span word="Engineering">Engineering</span> <span word="Office">Office</span> <span word="said">said</span> <span word="the">the</span> <span word="Tiangong">Tiangong</span>-1 <span word="spacecraft">spacecraft</span> "<span word="mostly">mostly</span>" <span word="burned">burned</span> <span word="up">up</span> <span word="in">in</span> <span word="the">the</span> <span word="atmosphere">atmosphere</span>.</p><p><span word="Any">Any</span> <span word="pieces">pieces</span> <span word="that">that</span> <span word="failed">failed</span> <span word="to">to</span> <span word="disintegrate">disintegrate</span> <span word="during">during</span> <span word="the">the</span> <span word="fiery">fiery</span> <span word="trip">trip</span> <span word="back">back</span> <span word="to">to</span> <span word="Earth">Earth</span> <span word="fell">fell</span> <span word="harmlessly">harmlessly</span> <span word="into">into</span> <span word="the">the</span> <span word="ocean">ocean</span>.</p><p><span word="It">It</span> <span word="took">took</span> <span word="about">about</span> <span word="two">two</span> <span word="hours">hours</span> <span word="for">for</span> <span word="the">the</span> <span word="craft">craft</span> <span word="burn">burn</span> <span word="up">up</span> <span word="once">once</span> <span word="it">it</span> <span word="hit">hit</span> <span word="Earth">Earth</span>'<span word="s">s</span> <span word="atmosphere">atmosphere</span>.</p><p><span word="There">There</span> <span word="had">had</span> <span word="been">been</span> <span word="predictions">predictions</span> <span word="parts">parts</span> <span word="of">of</span> <span word="the">the</span> <span word="space">space</span> <span word="lab">lab</span> <span word="would">would</span> <span word="land">land</span> <span word="in">in</span> <span word="the">the</span> <span word="South">South</span> <span word="Atlantic">Atlantic</span> <span word="with">with</span> <span word="some">some</span> <span word="pieces">pieces</span> <span word="posing">posing</span> <span word="a">a</span> <span word="very">very</span> <span word="small">small</span> <span word="threat">threat</span> <span word="to">to</span> <span word="people">people</span> <span word="on">on</span> <span word="the">the</span> <span word="ground">ground</span></p><p><span word="Tiangong">Tiangong</span>-1 <span word="was">was</span> <span word="the">the</span> <span word="size">size</span> <span word="of">of</span> <span word="a">a</span> <span word="school">school</span> <span word="bus">bus</span> <span word="and">and</span> <span word="weighed">weighed</span> <span word="eight">eight</span> <span word="and">and</span> <span word="a">a</span> <span word="half">half</span> <span word="tons">tons</span>.</p><p><span word="Tiangong">Tiangong</span>-1 <span word="was">was</span> <span word="the">the</span> <span word="largest">largest</span> <span word="man">man</span>-<span word="made">made</span> <span word="object">object</span> <span word="to">to</span> <span word="re">re</span>-<span word="enter">enter</span> <span word="Earth">Earth</span>’<span word="s">s</span> <span word="atmosphere">atmosphere</span> <span word="in">in</span> <span word="a">a</span> <span word="decade">decade</span>.</p><p><span word="It">It</span> <span word="was">was</span> <span word="launched">launched</span> <span word="in">in</span> 2011 <span word="and">and</span> <span word="served">served</span> <span word="as">as</span> <span word="an">an</span> <span word="orbiting">orbiting</span> <span word="laboratory">laboratory</span> <span word="for">for</span> <span word="manned">manned</span> <span word="Chinese">Chinese</span> <span word="space">space</span> <span word="missions">missions</span> <span word="until">until</span> <span word="officials">officials</span> <span word="determined">determined</span> <span word="its">its</span> <span word="lifespan">lifespan</span> <span word="was">was</span> <span word="complete">complete</span>. <span word="It">It</span> <span word="was">was</span> <span word="taken">taken</span> <span word="out">out</span> <span word="of">of</span> <span word="service">service</span> <span word="in">in</span> 2016.</p><p>中国一个废弃不用的太空空间站星期一早晨走完其寿命最后一程，其碎片坠落到南太平洋。</p><p>中国载人航天工程办公室说，中国天宫一号的大部分在大气层中烧毁。</p><p>在坠落过程中没有烧毁的部分落到海面时没有造成任何损失。</p><p>天宫一号坠落穿过大气层的时间大约为两个小时。</p><p>早先的预测说，将会有一些小的未烧毁部件坠落到南大西洋，对地面的人构成非常小的威胁。</p>
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