2015考研英语阅读寻找外星生物
<p> <span word="The">The</span> <span word="search">search</span> <span word="for">for</span> <span word="alien">alien</span> <span word="life">life</span></p><p> 寻找外星生物</p><p> <span word="Twinkle">Twinkle</span>, <span word="twinkle">twinkle</span>, <span word="little">little</span> <span word="planet">planet</span></p><p> 闪烁吧，小行星</p><p> <span word="An">An</span> <span word="undervalued">undervalued</span> <span word="optical">optical</span> <span word="trick">trick</span> <span word="may">may</span> <span word="help">help</span> <span word="to">to</span> <span word="find">find</span> <span word="lifein">lifein</span> <span word="other">other</span> <span word="solar">solar</span> <span word="systems">systems</span></p><p> 一个不被人重视的光学方法可能能帮助寻找其他太阳系的生命</p><p> <span word="MOST">MOST</span> <span word="astronomical">astronomical</span> <span word="telescopes">telescopes</span> <span word="employ">employ</span> <span word="reflection">reflection</span> <span word="to">to</span> <span word="focus">focus</span> <span word="starlight">starlight</span>.</p><p> 大部分天文望远镜都是运用的焦点星光的反射原理。</p><p> <span word="A">A</span> <span word="concave">concave</span> <span word="mirror">mirror</span> <span word="creates">creates</span> <span word="an">an</span> <span word="image">image</span> <span word="from">from</span> <span word="this">this</span> <span word="light">light</span> <span word="using">using</span> <span word="a">a</span> <span word="design">design</span> <span word="pioneered">pioneered</span> <span word="in">in</span> <span word="the">the</span> 17<span word="thcentury">thcentury</span>, <span word="by">by</span> <span word="Sir">Sir</span> <span word="Isaac">Isaac</span> <span word="Newton">Newton</span>.</p><p> 早在17世纪，艾萨克牛顿就开创性的利用这个光，让凹透镜产生了一个图像。</p><p> <span word="Those">Those</span> <span word="telescopes">telescopes</span> <span word="that">that</span> <span word="do">do</span> <span word="not">not</span> <span word="employ">employ</span> <span word="reflection">reflection</span> <span word="use">use</span> <span word="refraction">refraction</span>.</p><p> 那些不利用反射的望远镜利用的是折射。</p><p> <span word="They">They</span> <span word="have">have</span> <span word="a">a</span> <span word="system">system</span> <span word="of">of</span> <span word="lenses">lenses</span>,</p><p> 他们有透镜系统。</p><p> <span word="an">an</span> <span word="idea">idea</span> <span word="first">first</span> <span word="used">used</span> <span word="to">to</span> <span word="look">look</span> <span word="at">at</span> <span word="the">the</span> <span word="stars">stars</span> <span word="by">by</span> <span word="Galileo">Galileo</span>.</p><p> 利用透镜系统的想法最早是伽利略用来观测星星的。</p><p> <span word="But">But</span> <span word="there">there</span> <span word="is">is</span> <span word="a">a</span> <span word="third">third</span> <span word="way">way</span> <span word="to">to</span> <span word="focus">focus</span> <span word="light">light</span>.</p><p> 但还存在第三种聚焦光源的方法。</p><p> <span word="A">A</span> <span word="century">century</span> <span word="and">and</span> <span word="a">a</span> <span word="half">half</span> <span word="after">after</span> <span word="Newton">Newton</span>, <span word="andmore">andmore</span> <span word="than">than</span> <span word="two">two</span> <span word="after">after</span> <span word="Galileo">Galileo</span>, <span word="a">a</span> <span word="Frenchman">Frenchman</span> <span word="called">called</span> <span word="Augustin">Augustin</span>-<span word="Jean">Jean</span> <span word="Fresnel">Fresnel</span> <span word="worked">worked</span> <span word="out">out</span> <span word="that">that</span> <span word="youcan">youcan</span> <span word="do">do</span> <span word="it">it</span> <span word="using">using</span> <span word="diffraction">diffraction</span>.</p>
页:
[1]