1916年3月的天空

我们的邻居火星及其所谓的“运河”

加入我们的科学爱好者社区!

00
大众科学 Magazine Vol 114 Issue 10This article was originally published with the title “The Heavens in March, 1916” in 大众科学 Magazine Vol. 114 No. 10 (), p. 248
doi:10.1038/scientificamerican03041916-248
© . All rights reserved.