Unveiling Galaxies : The Role of Images in Astronomical Discovery
Jean-Rene Roy
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Unveiling Galaxies : The Role of Images in Astronomical Discovery
Jean-Rene Roy
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Format: eBook (PDF)
How to Use a Computerized Telescope: Volume 1 : Practical Amateur Astronomy Volume 1
Michael A. Covington
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Format: eBook (PDF)
Celestial Objects for Modern Telescopes: Volume 2 : Practical Amateur Astronomy Volume 2
Michael A. Covington
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Format: eBook (PDF)