History of Astronomy: History of Astronomy: From Ancient Observations to Modern DiscoveriesHistory of Astronomy by George Forbes: In this comprehensive historical account, George Forbes, an eminent astronomer, takes readers on a journey through the evolution of astronomy. From ancient civilizations' observations of celestial phenomena to the revolutionary discoveries of modern astronomy, Forbes provides a detailed narrative of humanity's quest to understand the cosmos. Through this enlightening exploration, readers gain a deeper appreciation for the scientific achievements that have shaped our understanding of the universe. Key Aspects of the Book "History of Astronomy": George Forbes was a distinguished astronomer and writer born in 1849. He made significant contributions to the field of astronomy, particularly in the study of the sun's radiation and the transmission of energy in the atmosphere. Forbes' passion for astronomy led him to become a Fellow of the Royal Society and an esteemed professor of astronomy. His book "History of Astronomy" remains a valuable resource for those interested in the fascinating journey of human exploration of the cosmos. |
From inside the book
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... epicycles and deferents which had been used by Apollonius and others to explain the retrograde motions of the ... epicycles of Mercury and Venus to be on a bar passing through the sun, and to be between the earth and the sun. The centres ...
... epicycles once in a year. It did not occur to Ptolemy to place the centres of the epicycles of Mercury and Venus at the sun, and to extend the same system to the major planets. Something of this sort had been proposed by the Egyptians ...
... epicycle, which was fatal to any conception of a dynamical theory. Copernicus could not sever himself from this obnoxious tradition.15 It is true that neither the Pythagorean nor the EgyptoTychonic system required epicycles for ...
... epicycle, on a deferent whose centre is a little distance from the sun. The planets move in a similar way on epicycles, but their deferents have no geometrical or physical relation to the sun. The moon moves on an epicycle centred on a ...
... epicycles and excentrics as Copernicus, though he held the earth to be fixed. But Tycho Brahe was eminently a practical observer, and took little part in theory; and his observations formed so essential a portion of the system of Kepler ...