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我们在火星的未来生活英语作文

发表时间：2024-07-12 00:42:36 来源：网友投稿

AtthefirstsighttheplanetMarsdoesnotappearverywelcometoanykindoflife.Ithasverylittleoxygenandwater,thetemperatureatnightisbelow–50andwindsof100milesperhourcausesevereduststorms.However,thesurfaceoftheplanetseemstoshowthatwaterflowedacrossitsometimeinthepast,anditisbelievedthatthereisenoughiceatthepolestocovertheplanetwithwaterifitmelts,AlthoughthereisnolifeontheMarsnow,somescientiststhinkthattheremayhavebeensomeformoflifelongtimeago.Atthattime,theplanethadactivevolcanoes;theatmospherewasthickerandwarmer;andtherewaswater.Infact,insomewaystheMarsmayhavebeensimilartotheEarth,wherelifeexists.

SomepeoplebelievethattheMarscouldsupportlifeinthefutureiftherightconditionswereproduced.ThefirststepwouldbetowarmtheplanetusingcertaingaseswhichtraptheSun’sheatintheplanet’satmosphere.Withwarmth,waterandcarbondioxide,simpleplantscouldbegintogrow.TheseplantscouldslowlymaketheMarsmoresuitableforliving,Itisestimatedthatthewholeprocessmighttakebetween100,000and200,000years.Inthemeantime,peoplecouldbegintoliveontheplanetinspecialclosedenvironments.TheywouldprovidealotofusefulinformationaboutconditionsontheMarsandtheproblemsconnectedwithlivingthere.

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