9781333185817 - studies in spherical and practical astronomy (classic reprint) de comstock, george c. (3 resultados)
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Librería: PBShop.store US, Wood Dale, IL, Estados Unidos de AmericaPBShop.store US
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PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.
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Librería: Forgotten Books, London, Reino UnidoForgotten Books
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Paperback. Condición: New. Print on Demand. This book presents a collection of methods for solving problems in spherical and practical astronomy. It begins by establishing a simple and accurate expression for atmospheric refraction, then continues by exploring practical methods for tasks such as correcting the sun's declination…for atmospheric effects, determining the value of a single level division on a spirit level, and simultaneously determining the exure, inequality of pivots, and the value of a level division for a broken transit. The author has made a point to incorporate methods that are adaptable to field use and require minimal auxiliary apparatus. The final topic covered is the determination of latitude and time from equal altitudes of stars. Combining a pair of stars, a Southern star and a polar star, the author provides formulae for calculating latitude and atmospheric conditions, a problem typically solved in the past by involving three stars and complex computations. The book concludes with a simple and rigorous equation for combining observations to obtain accurate calculations in the field. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item.
