The Geography of the Heavens and Class-book of Astronomy: Accompanied by a Celestial Atlas |
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Page 12
... Latitude are small circles imagined to be drawn on the Earth's surface , north and south of the equator , and parallel to it . Parallels of Declination are small circles , imagined to be drawn on the concave surface of the heavens ...
... Latitude are small circles imagined to be drawn on the Earth's surface , north and south of the equator , and parallel to it . Parallels of Declination are small circles , imagined to be drawn on the concave surface of the heavens ...
Page 13
... latitude and longitude , since the former cor- responds to terrestrial latitude and longitude . Latitude and declination may extend 90 ° and no more . Terrestrial longitude may extend 180 ° either east or west ; but celestial longitude ...
... latitude and longitude , since the former cor- responds to terrestrial latitude and longitude . Latitude and declination may extend 90 ° and no more . Terrestrial longitude may extend 180 ° either east or west ; but celestial longitude ...
Page 17
... latitude he may be . It will be alike to all the central point of the visible heavens , and to it the pupil will learn imper- ceptibly to refer the bearing , motion , and distances of the heavenly bodies . That meridional point in each ...
... latitude he may be . It will be alike to all the central point of the visible heavens , and to it the pupil will learn imper- ceptibly to refer the bearing , motion , and distances of the heavenly bodies . That meridional point in each ...
Page 23
... latitude , at all hours of the night , and may be traced out at almost any season of the year . Its mean declination is 609 N. and its right ascension 12 ° . It is on our meridian the 22d of November , but does not sensibly change its ...
... latitude , at all hours of the night , and may be traced out at almost any season of the year . Its mean declination is 609 N. and its right ascension 12 ° . It is on our meridian the 22d of November , but does not sensibly change its ...
Page 26
... 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 being the upper , and Alphirk the ...
... 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 being the upper , and Alphirk 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