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. |
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... diameter to its orbit, and apparently made out the diameter correctly as half a degree. He left nothing in writing. His successors, Anaximander (610-547 B.C.) and Anaximenes (550-475 B.C.), held absurd notions about the sun, moon, and ...
... diameter, correctly, to be half a degree. Eratosthenes (276-196 B.C.) measured the inclination to the equator of the sun's apparent path in the heavens—i.e., he measured the obliquity of the ecliptic, making it 23° 51', confirming our ...
... diameter of the deferent,11 and its ratio to that of the epicycle,12 the distance of the excentric13 from the centre of the deferent, and the position of the line of apses,14 besides the inclination and position of the plane of the ...
... diameter. But when he first examined this matter he proceeded to use a wrong diameter for the earth, and he found a serious discrepancy. This, for a time, seemed to condemn his theory, and regretfully he laid that part of his work aside ...
... diameter. He then noticed that the consequent bulging of matter at the equator would be attracted by the moon unequally, the nearest parts being most attracted; and so the moon would tend to tilt the earth when in some parts of her ...