History of Astronomy |
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Page ix
... records of the History of Astronomy . The writer regrets the necessity that thus arises of leaving without mention the names of many who are now making history in astronomical work . August 1st , 1909 . G. F. Book I. THE GEOMETRICAL ...
... records of the History of Astronomy . The writer regrets the necessity that thus arises of leaving without mention the names of many who are now making history in astronomical work . August 1st , 1909 . G. F. Book I. THE GEOMETRICAL ...
Page 3
... records . So Hipparchus , about 150 B.C. , and Ptolemy a little later , were able to use the observations of ... record- ing the eclipses of 1062 B.C. and 762 B.C .; and has thereby been enabled , in the last few years , to correct the ...
... records . So Hipparchus , about 150 B.C. , and Ptolemy a little later , were able to use the observations of ... record- ing the eclipses of 1062 B.C. and 762 B.C .; and has thereby been enabled , in the last few years , to correct the ...
Page 4
George Forbes. Containing record of solar eclipse , 1062 B.C. , used lately by Cowell for rendering the lunar theory more accurate than was possible by finest moderr observations . ( British Museum collection , No. 35908. ) obtained from ...
George Forbes. Containing record of solar eclipse , 1062 B.C. , used lately by Cowell for rendering the lunar theory more accurate than was possible by finest moderr observations . ( British Museum collection , No. 35908. ) obtained from ...
Page 5
... records to 617 A.D.2 The theoretical views founded on Newton's great law of universal gravitation led to the conclusion that the inclination of the earth's equator to the plane of her orbit ( the obliquity of the ecliptic ) has been ...
... records to 617 A.D.2 The theoretical views founded on Newton's great law of universal gravitation led to the conclusion that the inclination of the earth's equator to the plane of her orbit ( the obliquity of the ecliptic ) has been ...
Page 10
... records have not been available to later scholars ; but the fact remains that— although at long intervals observations were made of eclipses , comets , and falling stars , and of the position . of the solstices , and of the obliquity of ...
... records have not been available to later scholars ; but the fact remains that— although at long intervals observations were made of eclipses , comets , and falling stars , and of the position . of the solstices , and of the obliquity of ...
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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 nebulę 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