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8 天
新研究揭秘彗星的“呼吸”
有趣的是,研究人员将彗星冰升华过程比喻为彗星的“呼吸”。王震解释说:“彗核中的冰在太阳加热下升华,如同‘呼气’释放气体;而挥发物的成分和丰度,则是我们解读彗核成分,重建行星形成环境、追溯太阳系起源,以及探索生命前体的‘密码本’。” ...
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