History of Astronomy |
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... thesame way the comet 1861.i. has been traced back in the Chinese records to 617 A.D. [4] The theoretical viewsfounded on Newton's great lawof universal gravitation led to the conclusion that the inclination of the earth's equator to ...
... thesame way the comet 1861.i. has been traced back in the Chinese records to 617 A.D. [4] The theoretical viewsfounded on Newton's great lawof universal gravitation led to the conclusion that the inclination of the earth's equator to ...
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... the same day that the sun and moon were in conjunction. Thisis discussedby Father Martin (MSS. of De Lisle); alsoby M. Desvignolles (Mem. Acad. Berlin, vol. iii., p. 193),and byM. Kirsch (ditto, vol. v., p. 19),who both foundthat Mars ...
... the same day that the sun and moon were in conjunction. Thisis discussedby Father Martin (MSS. of De Lisle); alsoby M. Desvignolles (Mem. Acad. Berlin, vol. iii., p. 193),and byM. Kirsch (ditto, vol. v., p. 19),who both foundthat Mars ...
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... thesame era. The Chaldĉans, being the most ancient Babylonians, held the same station and dignity in theStateasdid thepriestsin Egypt, and spentall theirtimein thestudy of philosophy and astronomy,andthe artsof divinationand astrology ...
... thesame era. The Chaldĉans, being the most ancient Babylonians, held the same station and dignity in theStateasdid thepriestsin Egypt, and spentall theirtimein thestudy of philosophy and astronomy,andthe artsof divinationand astrology ...
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... intercalate daysor months. Meton (432 B.C.) introduced a reform basedon the nineteenyearcycle. Thisisnot the same asthe Egyptian and Chaldeaneclipse cycle called Saros of 223 lunations, or a little over eighteen years.
... intercalate daysor months. Meton (432 B.C.) introduced a reform basedon the nineteenyearcycle. Thisisnot the same asthe Egyptian and Chaldeaneclipse cycle called Saros of 223 lunations, or a little over eighteen years.
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... the same position relative tothe stars. It isstillused for fixingthe date of Easter, thenumber ofthe year in Melon'scycle being the golden number ofour prayerbooks. Melon's system divided the 235 lunations into months of thirty days and ...
... the same position relative tothe stars. It isstillused for fixingthe date of Easter, thenumber ofthe year in Melon'scycle being the golden number ofour prayerbooks. Melon's system divided the 235 lunations into months of thirty days and ...
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Airy allthe andthat andthe asthe Astronomer Royal Astronomia Nova astronomical units atmosphere atthe attraction axis bright bythe calculations catalogue centre century Chaldĉans Chinese comet confirmed Copernicus detected diameter discovered discovery distance earth eclipse epicycles equatoreal excentric explain fixed stars FOOTNOTES Frauenhofer fromthe Galileo Greenwich Halley havebeen heavenly bodies heavens heliometer Herschel Hipparchus Huggins hydrogen hypotheses inequality instruments inthe isthe John Herschel Jupiter Jupiter's Kepler lawof Lick Observatory light lines lunar Mars mathematical mean motion measured Mercury meteor miles moon moon's nebula Newton ofthese onthe orbit parallax perihelion period photographic physical planet planetary position predicted proper motion Ptolemy records reflector refractor retrograde retrograde motion revolve rotation round satellites Saturn seems solar system spectra spectroscope spectrum spots stellar sun's sunspot supposed surface telescope terrestrial thatthe theearth themoon theory thesame thesolar thesun tobe tothe Tycho Brahe Uranus velocity Venus Verrier William Herschel withthe zenith