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近地天体
2 topics with this tag
骑猪兜风
· 10/31/2016
Archive
NASA称已发现1.5万颗近地天体 平均每周发现30颗
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200682
骑猪兜风
· 4/9/2016
Archive
美国宇航局最新数据显示近地天体已达439个
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200857
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骑猪兜风· 10/31/2016