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恐龙灭绝元凶找到了！小行星碰撞使大气效应骤然恶化
source link: https://tech.sina.com.cn/d/c/2019-09-12/doc-iicezzrq5233418.shtml
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新浪科技讯北京时间9月12日消息，据英国每日邮报报道，最新研究表明，6600万年前，导致恐龙灭绝的一颗小行星碰撞地球，当天地球遍布野火、海啸，上空笼罩着巨大硫磺云，地球瞬间变成恐怖的炼狱……科学家表示，小行星碰撞水下陨坑内部残留的最新岩石样
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