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“好奇”号发现火星曾被海洋覆盖的新证据
source link: https://tech.sina.com.cn/d/s/2019-10-08/doc-iicezzrr0715981.shtml
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此前，科学家根据卫星数据猜测，火星曾被海水覆盖，并在35亿年前经历了由湿润到干旱的气候转变。在一项发表于《自然·地球科学》的最新研究中，“好奇”号传回的数据进一步印证了这一猜想。“好奇”号在盖尔陨石坑中发现了含硫酸盐的沉积物，且相应沉积岩的
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