The Geography of the Heavens, and Class Book of Astronomy: Accompanied by a Celestial Atlas |
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Page iii
... Ecliptic , The Precession of the Equinoxes , & c . , have been added . It is only necessary to observe the Atlas , to discover that the Plates have been engraved entirely anew , upon steel , and in a very superior and beautiful style ...
... Ecliptic , The Precession of the Equinoxes , & c . , have been added . It is only necessary to observe the Atlas , to discover that the Plates have been engraved entirely anew , upon steel , and in a very superior and beautiful style ...
Page vii
... Ecliptic , -Obliquity of ... na of ,. 169 Sun , 173 198 Saturn 235 ..... 262 Seasons , 278 269 Taurus , the Ball ,. 52 Eclipses Solar and Lunar , 215 Tides ,. 272 Forces , Attractive and Projectile ,. 260 Twilight , 287 Gemini , the ...
... Ecliptic , -Obliquity of ... na of ,. 169 Sun , 173 198 Saturn 235 ..... 262 Seasons , 278 269 Taurus , the Ball ,. 52 Eclipses Solar and Lunar , 215 Tides ,. 272 Forces , Attractive and Projectile ,. 260 Twilight , 287 Gemini , the ...
Page 27
... 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 with the axis ...
... 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 with the axis ...
Page 28
... ecliptic , which , in round numbers , is 23c ; but as we have seen the obliquity of the ecliptic is continually changing ; therefore the position of the tropics must make a correspondent change . The Colures are two great circles which ...
... ecliptic , which , in round numbers , is 23c ; but as we have seen the obliquity of the ecliptic is continually changing ; therefore the position of the tropics must make a correspondent change . The Colures are two great circles which ...
Page 29
... ecliptic , the equinoctial , and that great meridian which passes through the first point of Aries , called the equinoc . tial colure . Latitude on the Earth , is distance north or south of the equator , and is measured on a meridian ...
... ecliptic , the equinoctial , and that great meridian which passes through the first point of Aries , called the equinoc . tial colure . Latitude on the Earth , is distance north or south of the equator , and is measured on a meridian ...
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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