The Geography of the Heavens and Class-book of Astronomy: Accompanied by a Celestial Atlas |
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Page 14
... tion , however , of the constellations which lie beyond the 50th degree of north and south declination , of which , indeed , those around the North Pole are always , and those around the South Pole , never visible to us . 21. These ...
... tion , however , of the constellations which lie beyond the 50th degree of north and south declination , of which , indeed , those around the North Pole are always , and those around the South Pole , never visible to us . 21. These ...
Page 19
... given , and loca- tion of stars on the maps ? How is R. A. given in locating objects ? Why ? How are hours marked on the maps ? The minutes ? 84. In consequence of the perpetual recession of the equinoxes ANDROMEDA . 19.
... given , and loca- tion of stars on the maps ? How is R. A. given in locating objects ? Why ? How are hours marked on the maps ? The minutes ? 84. In consequence of the perpetual recession of the equinoxes ANDROMEDA . 19.
Page 21
... tion , for a distance of 33 ° , until we come to the star El Rischa , of the 3d magnitude , which is situated in the node , or flexure of the ribbon . This is the principal star in the constellation , and is situated 2 ° N. of the ...
... tion , for a distance of 33 ° , until we come to the star El Rischa , of the 3d magnitude , which is situated in the node , or flexure of the ribbon . This is the principal star in the constellation , and is situated 2 ° N. of the ...
Page 23
... tion with observations on the Polar Star , for determining the latitude of places , and for discovering the magnetic variation of the needle . 46. It is generally supposed that the North Polar Star , so called , is the real immovable ...
... tion with observations on the Polar Star , for determining the latitude of places , and for discovering the magnetic variation of the needle . 46. It is generally supposed that the North Polar Star , so called , is the real immovable ...
Page 24
... tion E. and W. The Polar Star not being exactly in the N. pole of the heavens , but one degree and 81 minutes on that side of it which is towards Caph , the position of the latter becomes important , as it always shows on which side of ...
... tion E. and W. The Polar Star not being exactly in the N. pole of the heavens , but one degree and 81 minutes on that side of it which is towards Caph , the position of the latter becomes important , as it always shows on which side 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