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“火星叔叔”郑永春《未来架构师》开启“星辰征途”

2017-08-16 14:49:16   中国网

郑永春

郑永春现场演讲

中国网娱乐8月16日讯 谈到火星,许多观众都会想起一部改编自安迪·威尔同名小说《火星救援》的经典电影。影片讲述了“太空鲁滨逊”马克·沃特尼(马特·达蒙饰)作为人类首次登录火星的“代表”,却因一场火星沙尘暴马克与他的团队失联;孤身一人的他在面临飞船损毁、补给不足、环境恶劣等重重困难下,凭借所学知识在这颗“红色星体”上生存下来并最终获救的故事。该片于2015年上映,次年成功斩获奥斯卡提名,可谓风靡一时。

在科学技术飞速发展的今天,“火星”早已不再只是科幻电影中常用的情景载体,而是成为了人类科学家迈向“地球之外”的主战场。那么,有着“人类第二家园”的火星真的适宜人类居住吗?人类多少年之后才能在真正意义上实现移居火星?本期《未来架构师》将邀请到中国科学院国家天文台的研究员、卡尔·萨根奖的获奖者郑永春博士,以“我们星辰大海的征途”为主题,用深入浅出的太空故事,给我们展现地球人移民火星的种种可能,带领我们走出地球、“飞向火星”。

“火星究竟是一个怎样的星球?”——为了满足观众对于未知星球的探知欲,郑永春博士在本期《未来架构师》中巧妙地引用了“地球生活”与之进行对比论证。“和地球相同,火星也具有‘引力’和‘春夏秋冬’。其地貌宏伟壮观,最高的‘奥林匹斯山’约两万多米,是珠穆朗玛峰高度的三倍,最大的‘水手大峡谷’长达四千五百公里、宽六百公里,相当于北京到广州一个来回。”郑永春博士说,“那么,这样的一个星体是否能满足人类的基本居住需求呢?科学家通过对停留在火星表面的着陆器进行研究发现,火星虽看似干涸,实则空气中饱含水分;看似了无生机,实则像极了古诗词中对我国青海省柴达木盆地的描述:大漠孤烟直,长河落日圆。简而言之,火星深处蕴藏丰富的盐类资源和冻土,而水电解可生成氢气和氧气,火星大气层中的二氧化碳也可以分解成一氧化碳和氧气,从而解决人类移居火星所必须的呼吸问题。”

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