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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... centre of the world. Nicetas, Heraclides, and Ecphantes supposed the earth to revolve on its axis, but to have no orbital motion. The short epitome so far given illustrates the extraordinary deductive methods adopted by the ancient ...
... that the centre, about which the sun moves uniformly, is situated a little distance from the fixed earth. He called this point the excentric. The line from the earth to the “excentric” was called the line of apses. A.
... centre was called the equant, and he supposed that a radius drawn to the sun from the excentric passes over equal arcs on the equant in equal times. He then computed tables for predicting the place of the sun. He proceeded in the same ...
... centre revolves round the earth on the primary circle (the deferent), at a uniform rate round the excentric. Ptolemy supposed the centres of the epicycles of Mercury and Venus to be on a bar passing through the sun, and to be between ...
... centres of the epicycles of Mercury and Venus at the sun, and to extend the same system to the major planets ... centre of the deferent, and the position of the line of apses,14 besides the inclination and position of the plane ...