The Geography of the Heavens: And Class-book of Astronomy; Accompanied by a Celestial Atlas |
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Page 32
... revolve about the Pole in small circles , and never disappear below the horizon . On this account they are said to be within the circle of perpetual apparition . On the other hand , the identity of the North Polar Star , strange as it ...
... revolve about the Pole in small circles , and never disappear below the horizon . On this account they are said to be within the circle of perpetual apparition . On the other hand , the identity of the North Polar Star , strange as it ...
Page 105
... revolve about it , very slowly , and in circles so small as never to descend below the horizon . In all ages of the world , this constellation has been more universally observed , and more carefully noticed than any other , on account ...
... revolve about it , very slowly , and in circles so small as never to descend below the horizon . In all ages of the world , this constellation has been more universally observed , and more carefully noticed than any other , on account ...
Page 138
... revolve , ike the sun and planets , about an axis . " Such a motion , " says the elder Herschel , " may be as evidently proved , as the diur- nal motion of the earth . Dark spots , or large portions of the surface , less luminous than ...
... revolve , ike the sun and planets , about an axis . " Such a motion , " says the elder Herschel , " may be as evidently proved , as the diur- nal motion of the earth . Dark spots , or large portions of the surface , less luminous than ...
Page 140
... revolve about a common centre of gravity ; in short , every region of the heavens furnishes examples of these curious phe nomena . Colour of the Stars . - Many of the double stars exhibit the curious and beautiful phenomenon of ...
... revolve about a common centre of gravity ; in short , every region of the heavens furnishes examples of these curious phe nomena . Colour of the Stars . - Many of the double stars exhibit the curious and beautiful phenomenon of ...
Page 153
... How should we learn from this to regard our own earth ? What does the immense distance of the stars prove in regard to their magnitude and light ? revolve around it as a centre , and derive from ECONOMY OF THE STARS . 153.
... How should we learn from this to regard our own earth ? What does the immense distance of the stars prove in regard to their magnitude and light ? revolve around it as a centre , and derive from ECONOMY OF THE STARS . 153.
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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 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