科学家在月球上发现钛矿
<p><span word="A">A</span> <span word="new">new</span> <span word="map">map</span> <span word="of">of</span> <span word="the">the</span> <span word="Moon">Moon</span> <span word="has">has</span> <span word="revealed">revealed</span> <span word="an">an</span> <span word="abundance">abundance</span> <span word="of">of</span> <span word="titanium">titanium</span> <span word="ore">ore</span> <span word="that">that</span> <span word="is">is</span> <span word="up">up</span> <span word="to">to</span> 10 <span word="times">times</span> <span word="richer">richer</span> <span word="than">than</span> <span word="on">on</span> <span word="Earth">Earth</span>, <span word="a">a</span> <span word="finding">finding</span> <span word="that">that</span> <span word="could">could</span> <span word="one">one</span> <span word="day">day</span> <span word="lead">lead</span> <span word="to">to</span> <span word="a">a</span> <span word="lunar">lunar</span> <span word="mining">mining</span> <span word="colony">colony</span>, <span word="astronomers">astronomers</span> <span word="said">said</span> <span word="on">on</span> <span word="Friday">Friday</span>.</p><p>天文学家在周五称，一张新的月球地图展示出了在月球上发现了高于地球10倍储备量的钛矿，这个发现有可能会引发一场未来月球采矿业的殖民行为。</p><p><span word="The">The</span> <span word="discovery">discovery</span> <span word="was">was</span> <span word="made">made</span> <span word="thanks">thanks</span> <span word="to">to</span> <span word="a">a</span> <span word="camera">camera</span> <span word="aboard">aboard</span> <span word="the">the</span> <span word="US">US</span> <span word="Lunar">Lunar</span> <span word="Reconnaissance">Reconnaissance</span> <span word="Orbiter">Orbiter</span>, <span word="which">which</span> <span word="swept">swept</span> <span word="the">the</span> <span word="surface">surface</span> <span word="of">of</span> <span word="the">the</span> <span word="Moon">Moon</span>, <span word="scrutinising">scrutinising</span> <span word="it">it</span> <span word="in">in</span> <span word="seven">seven</span> <span word="different">different</span> <span word="light">light</span> <span word="wavelengths">wavelengths</span>.</p><p>这个发现要归功于美国月球轨道勘测器上的一个摄像头。 该探测器利用七种不同光的波长对月球表面进行勘察。</p><p><span word="Mark">Mark</span> <span word="Robinson">Robinson</span> <span word="of">of</span> <span word="Arizona">Arizona</span> <span word="State">State</span> <span word="University">University</span>, <span word="sifted">sifted</span> <span word="through">through</span> <span word="the">the</span> <span word="data">data</span> <span word="for">for</span> <span word="telltale">telltale</span> <span word="jumps">jumps</span> <span word="in">in</span> <span word="the">the</span> <span word="ratio">ratio</span> <span word="of">of</span> <span word="ultra">ultra</span>-<span word="violet">violet</span> <span word="to">to</span> <span word="visible">visible</span> <span word="light">light</span>.</p><p>亚利桑那州立大学的马克-罗宾逊，筛选了由紫外线和可见光的比率所得到的数据而得出这一结论（月球上存有钛矿）。</p><p><span word="They">They</span> <span word="established">established</span> <span word="this">this</span> <span word="signature">signature</span> <span word="thanks">thanks</span> <span word="to">to</span> <span word="rock">rock</span> <span word="samples">samples</span> <span word="brought">brought</span> <span word="back">back</span> <span word="to">to</span> <span word="Earth">Earth</span> <span word="by">by</span> <span word="Apollo">Apollo</span> 17 <span word="astronauts">astronauts</span> <span word="in">in</span> 1972 <span word="and">and</span> <span word="images">images</span> <span word="of">of</span> <span word="the">the</span> <span word="area">area</span> <span word="around">around</span> <span word="the">the</span> <span word="mission">mission</span>'<span word="s">s</span> <span word="landing">landing</span> <span word="site">site</span> <span word="by">by</span> <span word="the">the</span> <span word="Hubble">Hubble</span> <span word="space">space</span> <span word="telescope">telescope</span>.</p><p>而他们能确定钛矿的位置标记却要归功于在1972年阿波罗17号宇航员带回地球的岩石样本和通过哈伯望远镜观测到的围绕任务着陆点的地区图像。</p>
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