Dan M DavisDan M. Davis is a Professor in the Department of Earth and Space Sciences at Stony Brook University, State University of New York. His research is in terrestrial tectonics and geophysics. A lifelong amateur stargazer, his observations for this book wre made with a 2.4' refractor, an 8' catadioptric, and a 10' Dobsonian telescope. Read More Read Less
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