'Grand finale' for Cassini space mission 土星探测器卡西尼号任务将“隆重收场”
<p>'<span word="Grand">Grand</span> <span word="finale">finale</span>' <span word="for">for</span> <span word="Cassini">Cassini</span> <span word="space">space</span> <span word="mission">mission</span> 土星探测器卡西尼号任务将“隆重收场”</p><p>本集内容 '<span word="Grand">Grand</span> <span word="finale">finale</span>' <span word="for">for</span> <span word="Cassini">Cassini</span> <span word="space">space</span> <span word="mission">mission</span> 土星探测器卡西尼号任务将“隆重收场”</p><p>学习要点 有关“<span word="Space">Space</span> 太空”的词汇</p><p> <span word="Instantly">Instantly</span> <span word="recognisable">recognisable</span> - <span word="Saturn">Saturn</span> <span word="and">and</span> <span word="its">its</span> <span word="spectacular">spectacular</span> <span word="rings">rings</span>. <span word="The">The</span> <span word="Cassini">Cassini</span> <span word="spacecraft">spacecraft</span>'<span word="s">s</span> <span word="revealed">revealed</span> <span word="this">this</span> <span word="planet">planet</span> <span word="in">in</span> <span word="incredible">incredible</span> <span word="detail">detail</span> <span word="and">and</span> <span word="these">these</span> <span word="are">are</span> <span word="some">some</span> <span word="of">of</span> <span word="its">its</span> <span word="latest">latest</span> <span word="close">close</span> <span word="up">up</span> <span word="images">images</span> - <span word="from">from</span> <span word="its">its</span> <span word="hexagonal">hexagonal</span> <span word="north">north</span> <span word="pole">pole</span> <span word="to">to</span> <span word="its">its</span> <span word="ring">ring</span> <span word="system">system</span> <span word="and">and</span> <span word="even">even</span> <span word="an">an</span> <span word="aurora">aurora</span>. </p><p><span word="But">But</span> <span word="this">this</span> <span word="mission">mission</span>'<span word="s">s</span> <span word="very">very</span> <span word="nearly">nearly</span> <span word="at">at</span> <span word="its">its</span> <span word="end">end</span>. <span word="Cassini">Cassini</span>'<span word="s">s</span> <span word="been">been</span> <span word="in">in</span> <span word="space">space</span> <span word="for">for</span> <span word="twenty">twenty</span> <span word="years">years</span>. <span word="It">It</span>'<span word="s">s</span> <span word="set">set</span> <span word="down">down</span> <span word="a">a</span> <span word="probe">probe</span>, <span word="spotted">spotted</span> <span word="plumes">plumes</span> <span word="on">on</span> <span word="one">one</span> <span word="of">of</span> <span word="Saturn">Saturn</span>'<span word="s">s</span> <span word="moons">moons</span> <span word="and">and</span> <span word="discovered">discovered</span> <span word="colossal">colossal</span> <span word="storms">storms</span> - <span word="but">but</span> <span word="now">now</span> <span word="it">it</span>'<span word="s">s</span> <span word="running">running</span> <span word="out">out</span> <span word="of">of</span> <span word="fuel">fuel</span> - <span word="its">its</span> <span word="final">final</span> <span word="days">days</span> <span word="though">though</span> <span word="will">will</span> <span word="be">be</span> <span word="crucial">crucial</span>.</p><p><span word="This">This</span> <span word="spacecraft">spacecraft</span> <span word="will">will</span> <span word="go">go</span> <span word="out">out</span> <span word="with">with</span> <span word="a">a</span> <span word="bang">bang</span> - <span word="its">its</span> <span word="last">last</span> <span word="manoeuvre">manoeuvre</span> <span word="will">will</span> <span word="be">be</span> <span word="a">a</span> <span word="death">death</span> <span word="dive">dive</span> <span word="into">into</span> <span word="Saturn">Saturn</span>'<span word="s">s</span> <span word="atmosphere">atmosphere</span>, <span word="bringing">bringing</span> <span word="this">this</span> <span word="blockbuster">blockbuster</span> <span word="mission">mission</span> <span word="to">to</span> <span word="a">a</span> <span word="close">close</span>.</p><p>土星和她的壮丽光环 – 很容易被识别。这台叫做卡西尼号（<span word="Cassini">Cassini</span>）的宇宙飞船以极为精致的细节为我们展现了这颗星球，这是由卡西尼号拍摄的最新特写图像，包括土星北极的六边形风暴、光环系统，它还拍到过一次极光。</p><p>但这项任务临近收尾。卡西尼号已经进入太空二十年，它在土星上设置了探头，并在它的一颗卫星上观测到了雾状体，还捕捉到了巨型风暴。但该探测器的燃料即将耗尽，不过它最后阶段的工作是至关重要的。</p>
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