Books about Nebulae (sorted by popularity)
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Displaying results 1–3
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Photographs of Nebulæ and Clusters, Made with the Crossley Reflector
James Edward Keeler
414 downloads
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Extra-galactic nebulae
Edwin Hubble
172 downloads
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Photographic investigations of faint nebulae
Edwin Hubble
134 downloads
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Displaying results 1–3
