The Geography of the Heavens, and Class Book of Astronomy: Accompanied by a Celestial Atlas |
From inside the book
Results 1-5 of 34
Page 27
... 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 of the heavens ; so that the poles of each are 234 ° apart . This angle is perpetually decreasing ...
... 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 of the heavens ; so that the poles of each are 234 ° apart . This angle is perpetually decreasing ...
Page 28
... angles . Every place on the Earth , and every corresponding point in the heavens , is onsidered as having a meridian passing through it ; although astronomers apply What are parallels of declination ? What is the tropic of cancer ? What ...
... angles . Every place on the Earth , and every corresponding point in the heavens , is onsidered as having a meridian passing through it ; although astronomers apply What are parallels of declination ? What is the tropic of cancer ? What ...
Page 29
... angles with it . Longitude on the Earth , is distance either east or west from some fixed meridian , measured on the equator . Longitude in the Heavens , is distance east from the first point of Aries , measured on the ecliptic ...
... angles with it . Longitude on the Earth , is distance either east or west from some fixed meridian , measured on the equator . Longitude in the Heavens , is distance east from the first point of Aries , measured on the ecliptic ...
Page 48
... angle of the figure . It is 31 ° N. of the equinoctial , and 15 ° E. of El Rischa in the bight of the cord between the Two Fishes . It is directly 37 ° S. of Algol , and nearly in the same direction from the Fly . It makes an ...
... angle of the figure . It is 31 ° N. of the equinoctial , and 15 ° E. of El Rischa in the bight of the cord between the Two Fishes . It is directly 37 ° S. of Algol , and nearly in the same direction from the Fly . It makes an ...
Page 49
... angle with two other stars of the same magnitude 7 ° and 10 W. of it ; also , an equilateral triangle with Mira and the eastern . most one in the square . A great number of geometrical figures may be formed from the stars in this , and ...
... angle with two other stars of the same magnitude 7 ° and 10 W. of it ; also , an equilateral triangle with Mira and the eastern . most one in the square . A great number of geometrical figures may be formed from the stars in this , and ...
Other editions - View all
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