History of Astronomy |
From inside the book
Results 1-5 of 22
Page 3
... tables of Hansen , and to find a more accurate value for the secular acceleration of the moon's longi- tude and the node of her orbit than any that could be R. A. S. Monthly Notices , Sup .; 1905 . Containing record of solar eclipse ...
... tables of Hansen , and to find a more accurate value for the secular acceleration of the moon's longi- tude and the node of her orbit than any that could be R. A. S. Monthly Notices , Sup .; 1905 . Containing record of solar eclipse ...
Page 11
... mundane affairs . Ptolemy ( about 130 A.D. ) made use of Babylonian eclipses in the eighth century B.C. for improving his solar and lunar tables . Fragments of a library at Agade have been preserved at THE GEOMETRICAL PERIOD 11.
... mundane affairs . Ptolemy ( about 130 A.D. ) made use of Babylonian eclipses in the eighth century B.C. for improving his solar and lunar tables . Fragments of a library at Agade have been preserved at THE GEOMETRICAL PERIOD 11.
Page 16
... tables for predicting the places of the heavenly bodies . Aristotle ( 384-322 B.C. ) summed up the state of astronomical knowledge in his time , and held the earth to be fixed in the centre of the world . Nicetas , Heraclides , and ...
... tables for predicting the places of the heavenly bodies . Aristotle ( 384-322 B.C. ) summed up the state of astronomical knowledge in his time , and held the earth to be fixed in the centre of the world . Nicetas , Heraclides , and ...
Page 18
... tables for predicting the place of the sun . He proceeded in the same way to compute Lunar tables . Making use of Chaldæan eclipses , he was able to get an accurate value of the moon's mean motion 18 THE GEOMETRICAL PERIOD.
... tables for predicting the place of the sun . He proceeded in the same way to compute Lunar tables . Making use of Chaldæan eclipses , he was able to get an accurate value of the moon's mean motion 18 THE GEOMETRICAL PERIOD.
Page 24
... tables for predicting the places of the planets . It was not a mechanical problem ; there was no notion of a ... tables were much more accurate than Ptolemy's . Abul Wefa , in the tenth century , seems to have discovered the moon's ...
... tables for predicting the places of the planets . It was not a mechanical problem ; there was no notion of a ... tables were much more accurate than Ptolemy's . Abul Wefa , in the tenth century , seems to have discovered the moon's ...
Other editions - View all
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