History of Astronomy |
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Page 3
... lunar 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 ...
... lunar 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 ...
Page 4
... lunar theory more accurate than was possible by finest moderr observations . ( British Museum collection , No. 35908. ) obtained from modern observations made with instru- ments of the. CHALDEAN BAKED BRICK OR TABLET , Obverse and ...
... lunar theory more accurate than was possible by finest moderr observations . ( British Museum collection , No. 35908. ) obtained from modern observations made with instru- ments of the. CHALDEAN BAKED BRICK OR TABLET , Obverse and ...
Page 7
... lunar month , and the day were the units , and it is owing to their incom- mensurability that we find so many calendars proposed and in use at different times . The only object to be attained by comparing the chronologies of ancient ...
... lunar month , and the day were the units , and it is owing to their incom- mensurability that we find so many calendars proposed and in use at different times . The only object to be attained by comparing the chronologies of ancient ...
Page 11
... in 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.
... in 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 12
... lunar cycle of nineteen years was used by the Jews in the fifth century B.C. [ the present reformed Jewish calendar dating from the fourth century A.D. ] , a date a " little more than a century after the grandfathers 1 R. A. S. Monthly ...
... lunar cycle of nineteen years was used by the Jews in the fifth century B.C. [ the present reformed Jewish calendar dating from the fourth century A.D. ] , a date a " little more than a century after the grandfathers 1 R. A. S. Monthly ...
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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 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