Telescopes and Techniques : An Introduction to Practical Astronomy
C. R. Kitchin
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Format: eBook (PDF)
Photo-guide to the Constellations : A Self-Teaching Guide to Finding Your Way Around the Heavens
C. R. Kitchin
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Format: eBook (PDF)
Galaxies in Turmoil : The Active and Starburst Galaxies and the Black Holes That Drive Them
C. R. Kitchin
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Format: eBook (PDF)