The Geography of the Heavens, and Class Book of Astronomy: Accompanied by a Celestial Atlas |
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Page viii
... were made by taking the meridian distances of different fixed stars near the zenith , first on the south , and afterwards on the north side of the hill , when the plumb line o ! the Sector was found , in both cases , to.
... were made by taking the meridian distances of different fixed stars near the zenith , first on the south , and afterwards on the north side of the hill , when the plumb line o ! the Sector was found , in both cases , to.
Page ix
... meridian ; and , by taking the meridian altitude of the sun or of a star , he can learn his distance from the Equator or from the poles of the world . In such observations , a knowledge of the con- stellations , of the polestar , and of ...
... meridian ; and , by taking the meridian altitude of the sun or of a star , he can learn his distance from the Equator or from the poles of the world . In such observations , a knowledge of the con- stellations , of the polestar , and of ...
Page xxiv
... meridian at a certain hour , along with the circumjacent constellations for every month , and for every day of the year . Besides these there are two circumpolar maps of the northern and southern hemispheres of the heavens , and a pla ...
... meridian at a certain hour , along with the circumjacent constellations for every month , and for every day of the year . Besides these there are two circumpolar maps of the northern and southern hemispheres of the heavens , and a pla ...
Page 29
... meridian , as that of Greenwich , contain the primary starting points ; in the heavens , these points are in the ecliptic , the equinoctial , and that great meridian which passes through the first point of Aries , called the equinoc ...
... meridian , as that of Greenwich , contain the primary starting points ; in the heavens , these points are in the ecliptic , the equinoctial , and that great meridian which passes through the first point of Aries , called the equinoc ...
Page 30
... meridian every succeeding day , than they did on the preceding Revolutions of the Stars . Times in which Revolutions are made . Daily acceleration of the Stars . days . ho . min . sec . h . min . sec . 1 0 23 56 4 3 $ 5 2 1 23 52 3 2 23 ...
... meridian every succeeding day , than they did on the preceding Revolutions of the Stars . Times in which Revolutions are made . Daily acceleration of the Stars . days . ho . min . sec . h . min . sec . 1 0 23 56 4 3 $ 5 2 1 23 52 3 2 23 ...
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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