The Geography of the Heavens: And Class-book of Astronomy; Accompanied by a Celestial Atlas |
From inside the book
Results 6-10 of 100
Page 66
... sun appeared to move by them , we should see it passing over the constel- lation Gemini between the 21st of June and the 23d of July ; but we seldom see more than a small part of any constellation through which the sun is then passing ...
... sun appeared to move by them , we should see it passing over the constel- lation Gemini between the 21st of June and the 23d of July ; but we seldom see more than a small part of any constellation through which the sun is then passing ...
Page 67
... sun . Now as the stars gain upon the sun at the rate of two hours every month , it follows that the centre of this constellation will , on the 17th of February , come to the meridian three hours earlier , or at 9 o'clock in the evening ...
... sun . Now as the stars gain upon the sun at the rate of two hours every month , it follows that the centre of this constellation will , on the 17th of February , come to the meridian three hours earlier , or at 9 o'clock in the evening ...
Page 73
... sun , in the evening , it was called the Heliacal setting . According to Ptolemy , stars of the first magnitude are seen rising and setting when the sun is 120 below the horizon ; stars of the 2d magnitude require the sun's depression ...
... sun , in the evening , it was called the Heliacal setting . According to Ptolemy , stars of the first magnitude are seen rising and setting when the sun is 120 below the horizon ; stars of the 2d magnitude require the sun's depression ...
Page 77
... sun arrives at the sign Cancer about the 21st of June , but does not reach the constellation until the 23d of July . The ... sun's standing still . The distance from the first point of Cancer to the equinoctial , which at present , is 23 ...
... sun arrives at the sign Cancer about the 21st of June , but does not reach the constellation until the 23d of July . The ... sun's standing still . The distance from the first point of Cancer to the equinoctial , which at present , is 23 ...
Page 81
... sun through the twelve signs of the ecliptic ; and as the combat of that celebrated hero with the Lion was his first labour , they have placed Leo as the first sign . The figure of the Lion was , however , on the Egyptian charts long ...
... sun through the twelve signs of the ecliptic ; and as the combat of that celebrated hero with the Lion was his first labour , they have placed Leo as the first sign . The figure of the Lion was , however , on the Egyptian charts long ...
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 Delta 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 Mars mean distance Mercury meridian millions of miles minutes Moon Moon's motion naked eye nearly nebula 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