国际英语资讯:Spotlight: NASA launches Mars rover to seek signs of ancient life
<p><span word="WASHINGTON">WASHINGTON</span>, <span word="July">July</span> 30-- <span word="NASA">NASA</span> <span word="launched">launched</span> <span word="its">its</span> <span word="Mars">Mars</span> <span word="rover">rover</span> <span word="Perseverance">Perseverance</span> <span word="Thursday">Thursday</span> <span word="morning">morning</span> <span word="in">in</span> <span word="a">a</span> <span word="bid">bid</span> <span word="to">to</span> <span word="search">search</span> <span word="for">for</span> <span word="signs">signs</span> <span word="of">of</span> <span word="ancient">ancient</span> <span word="life">life</span> <span word="on">on</span> <span word="the">the</span> <span word="Red">Red</span> <span word="Planet">Planet</span>.</p><p><span word="The">The</span> <span word="rover">rover</span> <span word="lifted">lifted</span> <span word="off">off</span> <span word="at">at</span> 7:50 <span word="a">a</span>.<span word="m">m</span>. <span word="EDT">EDT</span> (1150 <span word="GMT">GMT</span>) <span word="on">on</span> <span word="a">a</span> <span word="United">United</span> <span word="Launch">Launch</span> <span word="Alliance">Alliance</span> <span word="Atlas">Atlas</span> <span word="V">V</span> <span word="rocket">rocket</span> <span word="from">from</span> <span word="Space">Space</span> <span word="Launch">Launch</span> <span word="Complex">Complex</span> 41 <span word="at">at</span> <span word="Cape">Cape</span> <span word="Canaveral">Canaveral</span> <span word="Air">Air</span> <span word="Force">Force</span> <span word="Station">Station</span> <span word="in">in</span> <span word="the">the</span> <span word="U">U</span>.<span word="S">S</span>. <span word="state">state</span> <span word="of">of</span> <span word="Florida">Florida</span>.</p><p><span word="NASA">NASA</span> <span word="confirmed">confirmed</span> <span word="the">the</span> <span word="separation">separation</span> <span word="of">of</span> <span word="the">the</span> <span word="rover">rover</span> <span word="from">from</span> <span word="the">the</span> <span word="rocket">rocket</span> <span word="about">about</span> <span word="one">one</span> <span word="hour">hour</span> <span word="following">following</span> <span word="the">the</span> <span word="launch">launch</span>.</p><p>"<span word="The">The</span> @<span word="NASAPersevere">NASAPersevere</span> <span word="rover">rover</span> <span word="just">just</span> <span word="sent">sent</span> <span word="its">its</span> <span word="first">first</span> <span word="signal">signal</span> <span word="back">back</span> <span word="to">to</span> <span word="us">us</span> <span word="on">on</span> <span word="Earth">Earth</span>. <span word="The">The</span> <span word="spacecraft">spacecraft</span> <span word="is">is</span> <span word="in">in</span> <span word="good">good</span> <span word="health">health</span> <span word="and">and</span> <span word="on">on</span> <span word="its">its</span> <span word="way">way</span> <span word="to">to</span> <span word="Mars">Mars</span>," <span word="NASA">NASA</span> <span word="Administrator">Administrator</span> <span word="Jim">Jim</span> <span word="Bridenstine">Bridenstine</span> <span word="tweeted">tweeted</span>.</p><p>"<span word="We">We</span> <span word="had">had</span> <span word="a">a</span> <span word="good">good</span> <span word="launch">launch</span> <span word="this">this</span> <span word="morning">morning</span>, <span word="we">we</span>'<span word="re">re</span> <span word="right">right</span> <span word="on">on</span> <span word="course">course</span> <span word="for">for</span> <span word="Mars">Mars</span> <span word="and">and</span> <span word="signal">signal</span> <span word="from">from</span> @<span word="NASAPersevere">NASAPersevere</span> <span word="is">is</span> <span word="strong">strong</span>. <span word="We">We</span> <span word="are">are</span> <span word="working">working</span> <span word="to">to</span> <span word="configure">configure</span> <span word="the">the</span> <span word="ground">ground</span> <span word="stations">stations</span> <span word="to">to</span> <span word="match">match</span> <span word="the">the</span> <span word="strength">strength</span> <span word="of">of</span> <span word="the">the</span> <span word="spacecraft">spacecraft</span> <span word="signal">signal</span>. <span word="This">This</span> <span word="scenario">scenario</span> <span word="is">is</span> <span word="one">one</span> <span word="we">we</span>'<span word="ve">ve</span> <span word="worked">worked</span> <span word="through">through</span> <span word="in">in</span> <span word="the">the</span> <span word="past">past</span> <span word="with">with</span> <span word="other">other</span> <span word="missions">missions</span>," <span word="Bridenstine">Bridenstine</span> <span word="tweeted">tweeted</span>.</p><p><span word="Following">Following</span> <span word="a">a</span> <span word="seven">seven</span>-<span word="month">month</span> <span word="journey">journey</span>, <span word="the">the</span> <span word="rover">rover</span> <span word="is">is</span> <span word="expected">expected</span> <span word="to">to</span> <span word="land">land</span> <span word="at">at</span> <span word="Jezero">Jezero</span> <span word="Crater">Crater</span> <span word="on">on</span> <span word="Mars">Mars</span> <span word="on">on</span> <span word="Feb">Feb</span>. 18, 2021. <span word="The">The</span> 45-<span word="kilometer">kilometer</span>-<span word="wide">wide</span> <span word="crater">crater</span> <span word="was">was</span> <span word="a">a</span> <span word="possible">possible</span> <span word="oasis">oasis</span> <span word="in">in</span> <span word="its">its</span> <span word="distant">distant</span> <span word="past">past</span>, <span word="a">a</span> <span word="place">place</span> <span word="with">with</span> <span word="high">high</span> <span word="potential">potential</span> <span word="for">for</span> <span word="finding">finding</span> <span word="signs">signs</span> <span word="of">of</span> <span word="past">past</span> <span word="microbial">microbial</span> <span word="life">life</span>, <span word="according">according</span> <span word="to">to</span> <span word="NASA">NASA</span>.</p><p><span word="Perseverance">Perseverance</span> <span word="is">is</span> <span word="the">the</span> <span word="fifth">fifth</span> <span word="Mars">Mars</span> <span word="rover">rover</span> <span word="sent">sent</span> <span word="by">by</span> <span word="NASA">NASA</span> <span word="to">to</span> <span word="Mars">Mars</span>, <span word="after">after</span> <span word="Sojourner">Sojourner</span>, <span word="Spirit">Spirit</span>, <span word="Opportunity">Opportunity</span>, <span word="and">and</span> <span word="Curiosity">Curiosity</span>. <span word="It">It</span> <span word="is">is</span> <span word="also">also</span> <span word="the">the</span> <span word="largest">largest</span> <span word="and">and</span> <span word="heaviest">heaviest</span> <span word="robotic">robotic</span> <span word="Mars">Mars</span> <span word="rover">rover</span> <span word="NASA">NASA</span> <span word="has">has</span> <span word="built">built</span>.</p><p><span word="The">The</span> <span word="rover">rover</span> <span word="will">will</span> <span word="search">search</span> <span word="for">for</span> <span word="signs">signs</span> <span word="of">of</span> <span word="ancient">ancient</span> <span word="microbial">microbial</span> <span word="life">life</span>, <span word="characterize">characterize</span> <span word="the">the</span> <span word="planet">planet</span>'<span word="s">s</span> <span word="geology">geology</span> <span word="and">and</span> <span word="climate">climate</span>, <span word="collect">collect</span> <span word="carefully">carefully</span> <span word="selected">selected</span> <span word="and">and</span> <span word="documented">documented</span> <span word="rock">rock</span> <span word="and">and</span> <span word="sediment">sediment</span> <span word="samples">samples</span> <span word="for">for</span> <span word="a">a</span> <span word="possible">possible</span> <span word="return">return</span> <span word="to">to</span> <span word="Earth">Earth</span>, <span word="and">and</span> <span word="pave">pave</span> <span word="the">the</span> <span word="way">way</span> <span word="for">for</span> <span word="human">human</span> <span word="exploration">exploration</span> <span word="beyond">beyond</span> <span word="the">the</span> <span word="Moon">Moon</span>, <span word="according">according</span> <span word="to">to</span> <span word="NASA">NASA</span>.</p>
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