The Geography of the Heavens and Class-book of Astronomy: Accompanied by a Celestial Atlas |
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Page 7
... Motions , Orbits , & c . , 249 66 X. Of the Forces by which the Planets are retained in their Orbits , 262 • 66 XI . Proper Motion of the Sun in Space , 268 • 66 XII . Precession of the Equinoxes - Obliquity of the Ecliptic , " XIII ...
... Motions , Orbits , & c . , 249 66 X. Of the Forces by which the Planets are retained in their Orbits , 262 • 66 XI . Proper Motion of the Sun in Space , 268 • 66 XII . Precession of the Equinoxes - Obliquity of the Ecliptic , " XIII ...
Page 13
... motion eastward in its orbit , the stars seem to have a motion westward , besides their apparent diurnal motion caused by the Earth's revolution on its axis ; so that they rise and set sooner every succeeding day by about four minutes ...
... motion eastward in its orbit , the stars seem to have a motion westward , besides their apparent diurnal motion caused by the Earth's revolution on its axis ; so that they rise and set sooner every succeeding day by about four minutes ...
Page 17
... motion , and distances of the heavenly bodies . That meridional point in each map , whose declination corresponds with the latitude of the place of observation , represents the zenith of the heavens at that place ; and those ...
... motion , and distances of the heavenly bodies . That meridional point in each map , whose declination corresponds with the latitude of the place of observation , represents the zenith of the heavens at that place ; and those ...
Page 18
... motion of the earth in her orbit causes the sun to pass eastward annually around the heavens , and the constellations to rise earlier and earlier ( 19 ) , the student will find it necessary to proceed eastward around the heavens , in ...
... motion of the earth in her orbit causes the sun to pass eastward annually around the heavens , and the constellations to rise earlier and earlier ( 19 ) , the student will find it necessary to proceed eastward around the heavens , in ...
Page 26
... motion . The stars that are so near the pole may be better described by their polar distance , than by their declination . By polar distance is meant , the distance from the pole , and is what the declination wants of 90 ° . 48. In this ...
... motion . The stars that are so near the pole may be better described by their polar distance , than by their declination . By polar distance is meant , the distance from the pole , and is what the declination wants of 90 ° . 48. In this ...
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Common terms and phrases
3d magnitude 4th magnitude angle aphelion appear Arcturus Aries astronomers Auriga axis Beta blue bright star called Cassiopeia celestial Cepheus circle cluster comet constellation Cor Caroli declination degree Delta Denebola diameter distant companion DOUBLE STAR Earth Earth's orbit east ecliptic equator equinoctial figure fixed stars Gamma head heavens hemisphere Herschel horizon Jupiter latitude light longitude luminous Map VIII mean distance Mercury meridian miles minutes Moon Moon's motion naked eye nearly NEBULA node north pole northern Number of stars o'clock observed Orion pale yellow parallax pass perihelion period planet Pleiades polar position principal star Refracting telescopes refraction remarkable represented revolution revolve right ascension rising satellites Saturn seen shadow sidereal Sirius situated small stars solstice southern Sun's supposed surface Taurus TELESCOPIC OBJECTS TELESCOPIC OBJECTS.-Alpha tides tion triangle TRIPLE STAR Ursa Ursa Major Venus vernal equinox visible Zeta Zodiac