世界或收到来自火星的声音
<p><span word="NASA">NASA</span>’<span word="s">s</span> <span word="Mar">Mar</span> <span word="rover">rover</span> <span word="Opportunity">Opportunity</span> <span word="arrived">arrived</span> <span word="at">at</span> <span word="the">the</span> <span word="Endeavour">Endeavour</span> <span word="crater">crater</span> <span word="this">this</span> <span word="summer">summer</span> - <span word="a">a</span> <span word="source">source</span> <span word="of">of</span> <span word="clay">clay</span>-<span word="like">like</span> <span word="rocks">rocks</span> <span word="which">which</span> <span word="could">could</span> <span word="show">show</span> <span word="the">the</span> <span word="area">area</span> <span word="had">had</span> <span word="been">been</span> <span word="habitable">habitable</span>.</p><p>这个夏天，美国宇航局的火星探测器机遇号抵达“奋进”撞击坑，这里是火星粘土状岩石的来源处，显示出这片区域曾适于居住。</p><p><span word="The">The</span> 13-<span word="mile">mile</span> <span word="drive">drive</span> <span word="from">from</span> <span word="Victoria">Victoria</span> <span word="crater">crater</span> <span word="had">had</span> <span word="taken">taken</span> <span word="three">three</span> <span word="years">years</span>. <span word="But">But</span> <span word="the">the</span> <span word="tiny">tiny</span> <span word="craft">craft</span> <span word="had">had</span> <span word="been">been</span> <span word="documenting">documenting</span> <span word="its">its</span> <span word="progress">progress</span>, <span word="step">step</span> <span word="by">by</span> <span word="step">step</span>.</p><p>从维多利亚陨石坑开始的13英里的路程已经走了3年，但是这个微小的太空船一步一步的记录着它的前行。</p><p><span word="The">The</span> <span word="rover">rover</span> <span word="team">team</span> <span word="took">took</span> <span word="an">an</span> <span word="image">image</span> <span word="each">each</span> <span word="Martian">Martian</span> <span word="day">day</span> <span word="when">when</span> <span word="the">the</span> <span word="rover">rover</span> <span word="travelled">travelled</span>. <span word="The">The</span> <span word="video">video</span> <span word="compiles">compiles</span> <span word="these">these</span> 309 <span word="images">images</span> - <span word="along">along</span> <span word="with">with</span> '<span word="sound">sound</span>' <span word="from">from</span> <span word="the">the</span> <span word="planet">planet</span>.</p><p>探测器在火星旅行是，小组成员每天都为火星拍摄一张照片。这段视频将这309张图片汇编在一起，还伴随这这个星球的“声音”。</p><p><span word="The">The</span> <span word="video">video</span> <span word="shows">shows</span> <span word="the">the</span> <span word="rim">rim</span> <span word="of">of</span> <span word="the">the</span> <span word="Endeavour">Endeavour</span> <span word="crater">crater</span> <span word="becoming">becoming</span> <span word="visible">visible</span> <span word="as">as</span> <span word="the">the</span> <span word="Rover">Rover</span> <span word="neared">neared</span> <span word="its">its</span> <span word="goal">goal</span> - <span word="but">but</span> <span word="the">the</span> <span word="drive">drive</span> <span word="did">did</span> <span word="include">include</span> <span word="detours">detours</span>, <span word="as">as</span> <span word="Opportunity">Opportunity</span> <span word="had">had</span> <span word="to">to</span> <span word="drive">drive</span> <span word="round">round</span> <span word="large">large</span> <span word="expanses">expanses</span> <span word="of">of</span> <span word="treacherous">treacherous</span> <span word="terrain">terrain</span>.</p><p>视频显示，随着探测器越来越接近其目标，“奋进”撞击坑的边缘变得越来越清晰可见。但是这段路程也包括绕路，机遇号不得不绕开大范围的危险地形。</p><p><span word="There">There</span>'<span word="s">s</span> <span word="also">also</span> <span word="a">a</span> <span word="soundtrack">soundtrack</span> <span word="recorded">recorded</span> <span word="by">by</span> <span word="the">the</span> <span word="Rover">Rover</span> - <span word="although">although</span> <span word="don">don</span>'<span word="t">t</span> <span word="expect">expect</span> <span word="to">to</span> <span word="hear">hear</span> <span word="the">the</span> <span word="sounds">sounds</span> <span word="of">of</span> <span word="Martian">Martian</span> <span word="wind">wind</span>. <span word="The">The</span> <span word="team">team</span> <span word="recorded">recorded</span> <span word="data">data</span> <span word="from">from</span> <span word="the">the</span> <span word="Opportunity">Opportunity</span>'<span word="s">s</span> <span word="accelerometers">accelerometers</span>, <span word="and">and</span> <span word="sped">sped</span> <span word="up">up</span> <span word="the">the</span> <span word="low">low</span>-<span word="frequency">frequency</span> <span word="noise">noise</span> 1,000 <span word="times">times</span>. <span word="The">The</span> <span word="result">result</span> <span word="is">is</span> <span word="best">best</span> <span word="described">described</span> <span word="as">as</span> <span word="a">a</span> <span word="sort">sort</span> <span word="of">of</span> <span word="grinding">grinding</span> <span word="noise">noise</span>.</p>
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