On Comet Origins - 19610116
收藏U.S. Geological Survey1961-01-01 更新2026-04-23 收录
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https://www.sciencebase.gov/catalog/item/6706dc4ed34e969edc5992cb
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资源简介：
This is a paper about the properties of comets and a theory of how they might come about.
创建时间：
1961-01-01
