Blazing a Ghostly Trail : ISON and Great Comets of the Past and Future
Peter Grego
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Galileo and 400 Years of Telescopic Astronomy
Peter Grego
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The Star Book : An Introduction to Stargazing and the Solar System
Peter Grego
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Venus and Mercury, and How to Observe Them
Peter Grego
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Astronomical Cybersketching : Observational Drawing with PDAs and Tablet PCs
Peter Grego
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