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Comets and Meteors Their phenomena in all ages; their mutual relations; and the theory of their origin.
byDaniel KirkwoodEbook
Recreations in Astronomy With Directions for Practical Experiments and Telescopic Work
byHenry White WarrenEbook
Burnham's Celestial Handbook, Volume Three: An Observer's Guide to the Universe Beyond the Solar System
byRobert BurnhamAudiobook
The Hubble Space Telescope: The History and Legacy of the World’s Most Famous Telescope
byCharles River Editors