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Patricia L. Barnes-Svarney is the author of more than twenty books on popular science for adults and children, as well as numerous articles in such journals as Popular Science, Air & Space, Astronomy, Final Frontier, Omni and Ad Astra. Her extensive background in the physical sciences includes degrees in Geology and Geography, and professional experience in astronomy, geomorphology, and physical oceanography.
Michael Porcellino was an amateur astronomer for more than 30 years, as well as an active member of the Chicago Astronomical Society, the Association of Lunar and Planetary Observers, and the American Association of Variable Star Observers. In addition to publishing extensively in the field of astronomy, he also scripted training films, manuals and brochures on the subject.