History of Astronomy |
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Page viii
... Airy , whose pupil he was , and the key to whose character was exactness and accuracy ; and he recognises that Science is impotent except in her own limited sphere . It has been necessary to curtail many parts of the History in the ...
... Airy , whose pupil he was , and the key to whose character was exactness and accuracy ; and he recognises that Science is impotent except in her own limited sphere . It has been necessary to curtail many parts of the History in the ...
Page 13
... Airy fixed the date May 28th , 585 B.C. But other modern astronomers give different dates . Thales went to Egypt to study science , and learnt from its priests the length of the year ( which was kept a profound secret ! ) , and the ...
... Airy fixed the date May 28th , 585 B.C. But other modern astronomers give different dates . Thales went to Egypt to study science , and learnt from its priests the length of the year ( which was kept a profound secret ! ) , and the ...
Page 30
... Airy's account of epicycles , in the beautifully clear language of his Six Lectures on Astronomy , the impression is made that the jointed bars there spoken of for describing the circles . were supposed to be real . This is no more the ...
... Airy's account of epicycles , in the beautifully clear language of his Six Lectures on Astronomy , the impression is made that the jointed bars there spoken of for describing the circles . were supposed to be real . This is no more the ...
Page 37
... Airy estab- lished an altazimuth at Greenwich Observatory with this special object , to get observations of the moon in all phases . ] He also discovered other lunar equalities , and wanted to add another epicycle to the moon's orbit ...
... Airy estab- lished an altazimuth at Greenwich Observatory with this special object , to get observations of the moon in all phases . ] He also discovered other lunar equalities , and wanted to add another epicycle to the moon's orbit ...
Page 65
... Airy , Ivory , Delaunay , Le Verrier , Adams , and others of later date . By passing over these important developments it is possible to trace some of the steps in the crowning triumph of the Newtonian theory , by which the planet ...
... Airy , Ivory , Delaunay , Le Verrier , Adams , and others of later date . By passing over these important developments it is possible to trace some of the steps in the crowning triumph of the Newtonian theory , by which the planet ...
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Common terms and phrases
accurate observations Airy astro Astronomer Royal Astronomia Nova astronomical units attraction axis bright calculations Cape Cassini catalogue centre century comet compute Copernicus diameter discovered discovery earth eclipse epicycles equatoreal error excentric explain fact fixed stars Galileo Greenwich Halley heavenly bodies heavens heliometer Hipparchus Huggins hydrogen hypothesis instruments Johann Kepler John Herschel Jupiter Jupiter's Kepler Laplace Lick Observatory light line of apses line of sight lunar Mars mathematical mean distance mean motion measured Mercury meteor method miles a second moon moon's nebulæ Newton Observatory orbit parallax perihelion period photographic physical planet planetary pole position predicted proper motion proved Ptolemy R. S. Phil records refractor retrograde retrograde motion revolution revolve round ring rotation round the sun satellites seems showed Sirius solar system spectra spectroscope spectrum spots stellar sun-spots sun's surface supposed tables telescope theory tion Trans Tycho Brahe Uranus velocity Venus Verrier zenith