1912年2月的星空

天狼星、其邻星和伴星;行星及其现象

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大众科学 Magazine Vol 106 Issue 5This article was originally published with the title “The Heavens in February” in 大众科学 Magazine Vol. 106 No. 5 (), p. 110
doi:10.1038/scientificamerican02031912-110
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