人类能否在月球上生活？ 为寻答案NASA计划先种菜
<p><span word="The">The</span> <span word="seeds">seeds</span> <span word="will">will</span> <span word="be">be</span> <span word="sent">sent</span> <span word="to">to</span> <span word="the">the</span> <span word="moon">moon</span> <span word="in">in</span> <span word="the">the</span> <span word="Moon">Moon</span> <span word="Express">Express</span> <span word="Lander">Lander</span> (<span word="illustrated">illustrated</span> <span word="here">here</span> <span word="by">by</span> <span word="computer">computer</span> <span word="generation">generation</span>) <span word="in">in</span> 2017</p><p><span word="Nasa">Nasa</span> <span word="is">is</span> <span word="to">to</span> <span word="try">try</span> <span word="growing">growing</span> <span word="vegetables">vegetables</span> <span word="and">and</span> <span word="herbs">herbs</span> <span word="on">on</span> <span word="the">the</span> <span word="moon">moon</span> <span word="to">to</span> <span word="see">see</span> <span word="if">if</span> <span word="humans">humans</span> <span word="could">could</span> <span word="one">one</span> <span word="day">day</span> <span word="live">live</span> <span word="there">there</span>.</p><p><span word="The">The</span> <span word="US">US</span> <span word="space">space</span> <span word="agency">agency</span> <span word="plans">plans</span> <span word="to">to</span> <span word="send">send</span> <span word="seeds">seeds</span> <span word="to">to</span> <span word="the">the</span> <span word="moon">moon</span> <span word="in">in</span> 2017 <span word="in">in</span> <span word="sealed">sealed</span> <span word="canisters">canisters</span> <span word="containing">containing</span> <span word="everything">everything</span> <span word="that">that</span> <span word="is">is</span> <span word="needed">needed</span> <span word="for">for</span> <span word="the">the</span> <span word="seedlings">seedlings</span> <span word="to">to</span> <span word="thrive">thrive</span>.</p><p><span word="As">As</span> <span word="well">well</span> <span word="as">as</span> <span word="ten">ten</span> <span word="seeds">seeds</span> <span word="each">each</span> <span word="of">of</span> <span word="basil">basil</span> <span word="and">and</span> <span word="turnips">turnips</span>, <span word="there">there</span> <span word="will">will</span> <span word="also">also</span> <span word="be">be</span> <span word="around">around</span> 100 <span word="seeds">seeds</span> <span word="of">of</span> <span word="Arabidopsis">Arabidopsis</span>, <span word="a">a</span> <span word="small">small</span> <span word="flowering">flowering</span> <span word="plant">plant</span> <span word="related">related</span> <span word="to">to</span> <span word="cabbage">cabbage</span> <span word="and">and</span> <span word="mustard">mustard</span>.</p><p><span word="On">On</span> <span word="landing">landing</span>, <span word="a">a</span> <span word="trigger">trigger</span> <span word="will">will</span> <span word="release">release</span> <span word="a">a</span> <span word="small">small</span> <span word="reservoir">reservoir</span> <span word="of">of</span> <span word="water">water</span> <span word="inside">inside</span> <span word="the">the</span> <span word="canister">canister</span> <span word="and">and</span> <span word="a">a</span> <span word="team">team</span> <span word="on">on</span> <span word="Earth">Earth</span> <span word="will">will</span> <span word="monitor">monitor</span> <span word="how">how</span> <span word="the">the</span> <span word="seeds">seeds</span> <span word="germinate">germinate</span> <span word="when">when</span> <span word="exposed">exposed</span> <span word="to">to</span> <span word="lunar">lunar</span> <span word="gravity">gravity</span> <span word="and">and</span> <span word="radiation">radiation</span>.</p><p><span word="A">A</span> <span word="group">group</span> <span word="of">of</span> <span word="scientists">scientists</span>, <span word="students">students</span> <span word="and">and</span> <span word="volunteers">volunteers</span> - <span word="known">known</span> <span word="as">as</span> <span word="the">the</span> <span word="Lunar">Lunar</span> <span word="Plant">Plant</span> <span word="Growth">Growth</span> <span word="Habitat">Habitat</span> <span word="team">team</span> - <span word="are">are</span> <span word="behind">behind</span> <span word="the">the</span> <span word="project">project</span> <span word="which">which</span> <span word="will">will</span> <span word="see">see</span> <span word="the">the</span> <span word="seedlings">seedlings</span> <span word="photographed">photographed</span> <span word="at">at</span> <span word="intervals">intervals</span> <span word="to">to</span> <span word="compare">compare</span> <span word="with">with</span> <span word="those">those</span> <span word="planted">planted</span> <span word="on">on</span> <span word="earth">earth</span>.</p><p><span word="The">The</span> <span word="air">air</span> <span word="in">in</span> <span word="the">the</span> <span word="sealed">sealed</span> <span word="containers">containers</span> <span word="should">should</span> <span word="be">be</span> <span word="adequate">adequate</span> <span word="for">for</span> <span word="more">more</span> <span word="than">than</span> 5 <span word="days">days</span> <span word="of">of</span> <span word="growth">growth</span>.</p><p><span word="A">A</span> <span word="Nasa">Nasa</span> <span word="spokesman">spokesman</span> <span word="said">said</span>: ‘<span word="They">They</span> <span word="can">can</span> <span word="test">test</span> <span word="the">the</span> <span word="lunar">lunar</span> <span word="environment">environment</span> <span word="for">for</span> <span word="us">us</span>, <span word="acting">acting</span> <span word="as">as</span> <span word="a">a</span> <span word="canary">canary</span> <span word="in">in</span> <span word="a">a</span> <span word="coal">coal</span> <span word="mine">mine</span>.</p><p>'<span word="If">If</span> <span word="we">we</span> <span word="send">send</span> <span word="plants">plants</span> <span word="and">and</span> <span word="they">they</span> <span word="thrive">thrive</span>, <span word="then">then</span> <span word="humans">humans</span> <span word="probably">probably</span> <span word="can">can</span>.'</p><p><span word="Thriving">Thriving</span> <span word="plants">plants</span> <span word="need">need</span> <span word="the">the</span> <span word="same">same</span> <span word="ingredients">ingredients</span> <span word="for">for</span> <span word="life">life</span> <span word="as">as</span> <span word="humans">humans</span> – <span word="food">food</span>, <span word="water">water</span> <span word="and">and</span> <span word="air">air</span> – <span word="and">and</span> <span word="also">also</span> <span word="provide">provide</span> <span word="psychological">psychological</span> <span word="comfort">comfort</span> <span word="for">for</span> <span word="people">people</span>, <span word="demonstrated">demonstrated</span> <span word="by">by</span> <span word="the">the</span> <span word="popular">popular</span> <span word="greenhouses">greenhouses</span> <span word="in">in</span> <span word="Antarctica">Antarctica</span> <span word="and">and</span> <span word="the">the</span> <span word="International">International</span> <span word="Space">Space</span> <span word="Station">Station</span>.</p>
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