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Elijah Hinsdale Burritt. "Direct and Retrograde Motion." The Geography of the Heavens: And Class-book of Astronomy: Accompanied by a Celestial Atlas. (New York: Huntington and Savage, 1844). |
Showing posts with label planets. Show all posts
Showing posts with label planets. Show all posts
Friday, August 24, 2012
Direct & Retrograde Motion (1844)
Sunday, August 12, 2012
Il nostro Sistema Planetario (1897)
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