The Geography of the Heavens, and Class Book of Astronomy; Accompanied by a Celestial Atlas |
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... called the signs of the Zodiac , which they distinguished by names correspond- ing to certain objects and operations connected with the different seasons of the year . Such were the means requisite to be used for ascertaining the length ...
... called the signs of the Zodiac , which they distinguished by names correspond- ing to certain objects and operations connected with the different seasons of the year . Such were the means requisite to be used for ascertaining the length ...
Page 26
... called the visible hemisphere , and the lower one , the invisi- ble hemisphere . It is the plane of this circle which deter- mines the rising and setting of the heavenly bodies . The Sensible or Apparent Horizon , is the circle which ...
... called the visible hemisphere , and the lower one , the invisi- ble hemisphere . It is the plane of this circle which deter- mines the rising and setting of the heavenly bodies . The Sensible or Apparent Horizon , is the circle which ...
Page 27
... called the Nadir . Vertical Circles are circles drawn through the Zenith and Nadir of any place , cutting the ... called the Equinoxes . The Sun rises in one of these points on the 21st of March ; this point is called the Vernal Equinox ...
... called the Nadir . Vertical Circles are circles drawn through the Zenith and Nadir of any place , cutting the ... called the Equinoxes . The Sun rises in one of these points on the 21st of March ; this point is called the Vernal Equinox ...
Page 28
... called the Sum- mer Solstice ; and that point in the ecliptic which touches the tropic of Capricorn , is called the Winter Solstice . The distance of these two points from the equinoctial , is always equal to the obliquity of the ...
... called the Sum- mer Solstice ; and that point in the ecliptic which touches the tropic of Capricorn , is called the Winter Solstice . The distance of these two points from the equinoctial , is always equal to the obliquity of the ...
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... called the equinoc- tial colure . Latitude on the Earth , is distance north or south of the equator , and is measured on a meridian . Latitude in the Heavens , is distance north or south of the ecliptic , and at right angles with it ...
... called the equinoc- tial colure . Latitude on the Earth , is distance north or south of the equator , and is measured on a meridian . Latitude in the Heavens , is distance north or south of the ecliptic , and at right angles with it ...
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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 Delta Denebola Describe 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 mean distance Mercury meridian millions of miles minutes Moon Moon's motion naked eye nearly nebulæ night node north pole northern hemisphere observed orbit Orion parallax passing perihelion period Perseus phenomena planets Pleiades polar star position principal star represented revolution revolve right ascension rise satellites Saturn seasons seen side sidereal Sirius situated small stars solar system solstice southern spots Sun's supposed surface Taurus telescope tion triangle Ursa Venus vernal equinox Virgo visible whole number Zeta Zodiac