Books in Astronomy (sorted by popularity)
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An Introduction to Astronomy
Forest Ray Moulton
209 downloads
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Mathematical Geography
Willis E. Johnson
196 downloads
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Pleasures of the telescope
Garrett Putman Serviss
189 downloads
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Other Worlds
Garrett Putman Serviss
183 downloads
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Are the Planets Inhabited?
E. Walter Maunder
178 downloads
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Astronomical Instruments and Accessories
William Gaertner and Company
160 downloads
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Watchers of the Sky
Alfred Noyes
154 downloads
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The Future of Astronomy
Edward C. Pickering
151 downloads
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Side-Lights on Astronomy and Kindred Fields of Popular Science
Simon Newcomb
147 downloads
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The Tides and Kindred Phenomena in the Solar System
Sir George Howard Darwin
126 downloads
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Le Système Solaire se mouvant (French)
August Tischner
118 downloads
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Scientific Papers by Sir George Howard Darwin. Volume V. Supplementary Volume
Sir George Howard Darwin
101 downloads
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Publications of the Astronomical Society of the Pacific, Volume 1
Astronomical Society of the Pacific
58 downloads
