The Geography of the Heavens and Class-book of Astronomy: Accompanied by a Celestial Atlas |
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Page 17
... 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 96
... revolve about it , very slowly , and in circles so small as never to descend below the horizon . Hence Ursa Minor will be above or below , to the right or left of the pole star , accord- ing to the hour ; as he makes the entire circuit ...
... revolve about it , very slowly , and in circles so small as never to descend below the horizon . Hence Ursa Minor will be above or below , to the right or left of the pole star , accord- ing to the hour ; as he makes the entire circuit ...
Page 98
... revolve . The two last in the bowl of the Dipper , corresponding to the Pointers in the Great Bear , are of the 3d magnitude , and situated about 15 ° from the pole . The brightest of them is called Kochab , which signifies an axle or ...
... revolve . The two last in the bowl of the Dipper , corresponding to the Pointers in the Great Bear , are of the 3d magnitude , and situated about 15 ° from the pole . The brightest of them is called Kochab , which signifies an axle or ...
Page 136
... revolve , like the sun and planets , about an axis . " Such a motion , " says the elder Herschel , " may be as evidently proved , as the diurnal motion of the earth . Dark spots , or large por- tions of the surface , less luminous than ...
... revolve , like the sun and planets , about an axis . " Such a motion , " says the elder Herschel , " may be as evidently proved , as the diurnal motion of the earth . Dark spots , or large por- tions of the surface , less luminous than ...
Page 138
... revolve about a common center of gravity ; in short , every region of the heavens furnishes examples of these curious phe- nomena . COLOR OF THE STARS . 248. Many of the double stars exhibit the curious and beau- tiful phenomenon of ...
... revolve about a common center of gravity ; in short , every region of the heavens furnishes examples of these curious phe- nomena . COLOR OF THE STARS . 248. Many of the double stars exhibit the curious and beau- tiful phenomenon of ...
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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