The Geography of the Heavens and Class-book of Astronomy: Accompanied by a Celestial Atlas |
From inside the book
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Page 10
... Equator of the Earth is an imaginary great circle pass- ing round the Earth , east and west , everywhere equally distant from the poles , and dividing it into northern and southern hemi- spheres . The Equator of the Heavens , or ...
... Equator of the Earth is an imaginary great circle pass- ing round the Earth , east and west , everywhere equally distant from the poles , and dividing it into northern and southern hemi- spheres . The Equator of the Heavens , or ...
Page 12
... equator , and parallel to it . Parallels of Declination are small circles , imagined to be drawn on the concave surface of the heavens , north and south of the equinoctial , and parallel to it ; or they may be considered as circles ...
... equator , and parallel to it . Parallels of Declination are small circles , imagined to be drawn on the concave surface of the heavens , north and south of the equinoctial , and parallel to it ; or they may be considered as circles ...
Page 13
... equator . The northern is called the Arctic circle , and the southern the Antarctic circle . 16. Meridians are imaginary great circles drawn through the poles of the world , cutting the equator and the equinoctial at right angles ...
... equator . The northern is called the Arctic circle , and the southern the Antarctic circle . 16. Meridians are imaginary great circles drawn through the poles of the world , cutting the equator and the equinoctial at right angles ...
Page 26
... Equator . If we live in 42 ° N. latitude , the N. pole will be 42o above our horizon . ( See North Polar Star . ) 49. There are also two smaller stars about 9 ° E. of Aldera- min and Alphirk , with which they form a square ; Alderamin ...
... Equator . If we live in 42 ° N. latitude , the N. pole will be 42o above our horizon . ( See North Polar Star . ) 49. There are also two smaller stars about 9 ° E. of Aldera- min and Alphirk , with which they form a square ; Alderamin ...
Page 42
... equator . It is also about 8 ° W. of the solstitial colure , and comes to the meridian about the 23d of January . The whole number of visible stars in this constellation is 78 ; of which , two are of the first magni- tude , four of the ...
... equator . It is also about 8 ° W. of the solstitial colure , and comes to the meridian about the 23d of January . The whole number of visible stars in this constellation is 78 ; of which , two are of the first magni- tude , four of the ...
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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