The Geography of the Heavens, and Class Book of Astronomy: Accompanied by a Celestial Atlas |
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Page x
... with some degree of accuracy , the ancient Greeks had to watch the rising of Arcturus the Pleiades and Orion , to mark their seasons , and to determine the proper time for their agricultural labours . The rising of X INTRODUCTION .
... with some degree of accuracy , the ancient Greeks had to watch the rising of Arcturus the Pleiades and Orion , to mark their seasons , and to determine the proper time for their agricultural labours . The rising of X INTRODUCTION .
Page 59
... Arcturus , Orion , and Pleiades , and the chambers of the south " And in another place , the Almighty demands of him— " Knowest thou the ordinances of heaven ? Canst thon hind the sweet influen- ces of the Pleiades , or loose the bands ...
... Arcturus , Orion , and Pleiades , and the chambers of the south " And in another place , the Almighty demands of him— " Knowest thou the ordinances of heaven ? Canst thon hind the sweet influen- ces of the Pleiades , or loose the bands ...
Page 73
... Arcturus in his time rose heliacally , 60 days after the winter solstice , which , then was in the 9th degree of Aquarius , or 390 beyond its present position . Now 39 ° 504 ′′ -2791 years since the time of Hesiod , which corresponds ...
... Arcturus in his time rose heliacally , 60 days after the winter solstice , which , then was in the 9th degree of Aquarius , or 390 beyond its present position . Now 39 ° 504 ′′ -2791 years since the time of Hesiod , which corresponds ...
Page 80
... Arcturus , and about the same dis- tance N. W. of Spica Virginis , and forms , with them , a large equilateral triangle on the S. E. It also forms with Arcturus and Cor Caroli a similar figure , nearly as large on the N. E. These two ...
... Arcturus , and about the same dis- tance N. W. of Spica Virginis , and forms , with them , a large equilateral triangle on the S. E. It also forms with Arcturus and Cor Caroli a similar figure , nearly as large on the N. E. These two ...
Page 92
... Arcturus - three very brilliant stars of the 1st magnitude that form a large equilateral triangle , pointing to the S. Arc- turus and Denebola are also the base of a similar triangle on the north , terminating in Cor Caroli , which ...
... Arcturus - three very brilliant stars of the 1st magnitude that form a large equilateral triangle , pointing to the S. Arc- turus and Denebola are also the base of a similar triangle on the north , terminating in Cor Caroli , which ...
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Common terms and phrases
3d magnitude 4th magnitude ancient angle appear Arcturus Argo Navis Aries astronomers Auriga axis Beta brightest called Cassiopeia celestial centre Cepheus circle cluster colure comet constellation Cor Caroli declination degree Denebola diameter direction distinguished diurnal motion Earth east ecliptic equal equator equinoctial figure fixed stars Gamma globe head heavenly bodies heavens Hercules Herschel horizon Hydra Jupiter latitude length Libra light longitude maps mean distance Mercury meridian millions of miles minutes Moon Moon's motion naked eye nearest nearly nebulæ night node north pole northern observed orbit Orion parallax passing perihelion period Perseus phenomena planets Pleiades polar star principal star represented revolve right ascension rise satellites Saturn seasons seen side sidereal revolution Sirius situated small stars solar system solstice southern hemisphere spots Sun's supposed surface Taurus telescope tion triangle Ursa Ursa Major Venus vernal equinox Virgo visible whole number Zeta Zodiac