2005/07/03 | Schröter效应[Schröter Effect]
类别(¤〖天文〗) | 评论(0) | 阅读(24) | 发表于 20:17
The theoretical and observed times for Venus to be at dichotomy differ by a day or two. This discrepancy was first noticed in the 1790s by J. H. Schröter.
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