Books

1. Disasters and Accidents in Manned Spaceflight
   

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2. Disturbing the Solar System : Impacts, Close Encounters, and Coming Attractions
   

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3. Sky Catalogue 2000.0: Volume 1 (Sky Catalogue 20000 2nd ed)
   

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4. Deep Sky Observer's Guide
   

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5. Newton's Forgotten Lunar Theory, His Contribution to the Quest for Longitude: Includes Newton's Theory of the Moon's Motion
   

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Books