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...