The Geography of the Heavens, and Class Book of Astronomy: Accompanied by a Celestial Atlas |
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Page 27
... half of the ecliptic lies on the north side of the Equinoctial , the other half on the south side , making an angle with it of 230. This angle is called the obliquity of the Ecliptic . The axis of the Eclip- tic makes the same angle ...
... half of the ecliptic lies on the north side of the Equinoctial , the other half on the south side , making an angle with it of 230. This angle is called the obliquity of the Ecliptic . The axis of the Eclip- tic makes the same angle ...
Page 39
... half distant from it , and revolves about the true pole every 24 hours , in a circle whose radius is 1 ° 35 ' . It will consequently , in 24 hours , be twice on the meridian , once above , and once below the pole ; and twice at its ...
... half distant from it , and revolves about the true pole every 24 hours , in a circle whose radius is 1 ° 35 ' . It will consequently , in 24 hours , be twice on the meridian , once above , and once below the pole ; and twice at its ...
Page 45
... half way over in the west . The manner in which the ancients divided the Zodiac into 12 equal parts , was both simple and ingenious . Having no instrument that would measure time exactly , " They took a vessel , with a sinall hole in ...
... half way over in the west . The manner in which the ancients divided the Zodiac into 12 equal parts , was both simple and ingenious . Having no instrument that would measure time exactly , " They took a vessel , with a sinall hole in ...
Page 51
... half an hour E. of it ; and in short , the most brilliant portion of the starry neavens is then visible in the eastern hemisphere . The glories of the scene are unspeakably magnificent ; and the student who fixes his eye upon those ...
... half an hour E. of it ; and in short , the most brilliant portion of the starry neavens is then visible in the eastern hemisphere . The glories of the scene are unspeakably magnificent ; and the student who fixes his eye upon those ...
Page 56
... half the skies His stride as large , and with a steady pace He marches on , and measures a vast space ; On each broad shoulder a bright star display'd , And three obliquely grace his hanging blade . In his vast head , immers'd in ...
... half the skies His stride as large , and with a steady pace He marches on , and measures a vast space ; On each broad shoulder a bright star display'd , And three obliquely grace his hanging blade . In his vast head , immers'd in ...
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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 Jupiter latitude length Libra light longitude luminous Mars mean distance Mercury meridian millions of miles minutes Moon Moon's motion naked eye nearly nebulæ night node north pole northern hemisphere o'clock observed orbit Orion parallax passing perihelion period Perseus phenomena planets Pleiades polar star principal star represented revolution revolve right ascension rise satellites Saturn seasons seen side sidereal Sirius situated small stars solar system solstice southern spots square Sun's supposed surface Taurus telescope tion triangle Ursa Venus vernal equinox Virgo visible whole number Zeta Zodiac