Popular Lectures on Astronomy: Delivered at the Royal Observatory of Paris (1845) is a book written by Francois Arago, a French astronomer, physicist, and politician. The book is a collection of lectures that Arago delivered at the Royal Observatory of Paris in 1845. The lectures cover a wide range of topics related to astronomy, including the solar system, the stars, the Milky Way, comets, meteorites, and the history of astronomy. Arago presents these topics in a clear and engaging manner, making them accessible to a general audience. The book is divided into ten chapters, each of which covers a different aspect of astronomy. Arago begins by discussing the solar system, explaining the motions of the planets and their satellites. He then moves on to the stars, describing their properties and how they are classified. Arago also discusses comets and meteorites, explaining their origins and how they are studied by astronomers. He then delves into the history of astronomy, describing the contributions of famous astronomers such as Galileo, Newton, and Kepler. Throughout the book, Arago provides numerous illustrations and diagrams to help readers understand the concepts he is discussing. He also includes anecdotes and stories to make the lectures more engaging. Overall, Popular Lectures on Astronomy: Delivered at the Royal Observatory of Paris (1845) is a fascinating and informative book that provides a comprehensive overview of astronomy in the mid-19th century. It is suitable for anyone with an interest in astronomy, from beginners to more advanced readers.With Extensive Additions And Corrections.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.