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富尔顿缺口：为什么比地球稍大一点的行星那么罕见？
source link: https://tech.sina.com.cn/d/s/2019-08-07/doc-ihytcerm9055240.shtml
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新浪科技讯北京时间8月7日消息，据国外媒体报道，太阳形成之后，其起源云所遗留的尘埃和气体缓慢旋转，逐渐形成我们今天所见到的八大行星，体积较小的岩石行星靠近太阳，巨大的气体行星则漂浮在太阳系的远端。在银河系中无数的恒星周围，这一过程不断重复，
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