Elements of Astronomy: Descriptive and Physical is a book written by Hervey Wilbur and originally published in 1834. The book provides a comprehensive overview of astronomy, covering both descriptive and physical aspects of the subject. The first part of the book focuses on descriptive astronomy, which includes a discussion of the solar system, the stars, and the Milky Way. Wilbur provides detailed descriptions of each planet in the solar system, including their physical characteristics, orbits, and moons. He also discusses the various types of stars, their classification, and their life cycles. The second part of the book covers physical astronomy, which includes a discussion of the laws of motion, the nature of light, and the principles of optics. Wilbur explains the principles of celestial mechanics, including Kepler's laws and Newton's law of gravitation. He also discusses the properties of light and how it is affected by various mediums, such as lenses and prisms.Throughout the book, Wilbur provides numerous illustrations and diagrams to help readers better understand the concepts being discussed. He also includes a glossary of terms and a list of astronomical tables and formulas.Overall, Elements of Astronomy: Descriptive and Physical is a valuable resource for anyone interested in the study of astronomy. It provides a thorough introduction to the subject and covers both the descriptive and physical aspects of astronomy in detail.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.
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