Fourteen Weeks in Descriptive Astronomy |
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Page 39
... the equinoctial , meas- ured on any vertical circle or meridian North or South . It corresponds to terrestrial latitude . Polar distance ( the complement of Declination ) is the distance from the Pole , measured on a vertical SPACE . 39.
... the equinoctial , meas- ured on any vertical circle or meridian North or South . It corresponds to terrestrial latitude . Polar distance ( the complement of Declination ) is the distance from the Pole , measured on a vertical SPACE . 39.
Page 105
Joel Dorman Steele. and south poles , Z the zenith , Z ' the nadir ; and GICK the celestial equator . Now PB , it will be seen , is the elevation of the north pole above the horizon , or the latitude of the place . Suppose we should see ...
Joel Dorman Steele. and south poles , Z the zenith , Z ' the nadir ; and GICK the celestial equator . Now PB , it will be seen , is the elevation of the north pole above the horizon , or the latitude of the place . Suppose we should see ...
Page 106
... south pole , and the others in cir- cles resembling those in our sky , only the points of direction would be reversed to correspond with the pole . Were we placed at the south pole , the ap- pearance would be the same as at the north pole ...
... south pole , and the others in cir- cles resembling those in our sky , only the points of direction would be reversed to correspond with the pole . Were we placed at the south pole , the ap- pearance would be the same as at the north pole ...
Page 113
... south of the equator . His rays strike less obliquely in the southern hemisphere than before , but in the ... North Temperate Zone , except at the Equinoxes , where the days and nights are of equal length . * Except a small space at each pole ...
... south of the equator . His rays strike less obliquely in the southern hemisphere than before , but in the ... North Temperate Zone , except at the Equinoxes , where the days and nights are of equal length . * Except a small space at each pole ...
Page 114
... northern declination , ascends the high- est it is ever seen above our horizon , and rises and sets 231 ° north of ... pole , and if the sun's rays could in like manner leave a golden line on that day , they would trace on the earth the ...
... northern declination , ascends the high- est it is ever seen above our horizon , and rises and sets 231 ° north of ... pole , and if the sun's rays could in like manner leave a golden line on that day , they would trace on the earth the ...
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Common terms and phrases
ancients Andromeda angle aphelion appear Aries astronomers atmosphere axis Boötes bright brilliant Canis Minor Capricornus Cassiopeia cause Celestial Sphere centre Cepheus circle color comet conjunction constellation Cor Caroli dark density Describe diameter disk earth east ecliptic equal equator equinoctial figure fixed stars full moon globe heat heavenly bodies heavens Hercules Herschel horizon inclined inferior conjunction inferior planet Jupiter latitude length light luminous lunar Lyra magnitude Mars mean distance Mercury meridian meteors miles moon's motion move naked eye nearly nebula Neptune night node north pole Orion parallax pass path penumbra perihelion Perseus Pisces polar Polaris precession rays revolve ring rising Saturn seasons seen shine side sidereal sidereal day solar day solar system solstice space spots summer sun's surface synodic revolution tance Taurus telescope theory tion Uranus Ursa Major Ursa Minor varies velocity Venus vernal equinox visible winter Zodiac