1922年2月的星空

更熟悉的恒星的距离和真实亮度

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大众科学 Magazine Vol 126 Issue 2This article was originally published with the title “The Heavens in February, 1922” in 大众科学 Magazine Vol. 126 No. 2 (), p. 136
doi:10.1038/scientificamerican0222-136
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