The Geography of the Heavens, and Class Book of Astronomy; Accompanied by a Celestial Atlas |
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Page 42
... horizon , directly N. of us . The true pole of the heavens is always elevated just as many degrees above our horizon , as we are north of the Equator . If we live in 420 N. latitude , the N. pole will be 42 ° above our horizon . ( See ...
... horizon , directly N. of us . The true pole of the heavens is always elevated just as many degrees above our horizon , as we are north of the Equator . If we live in 420 N. latitude , the N. pole will be 42 ° above our horizon . ( See ...
Page 50
... horizon 18 hours out of 24 , it may be seen every evening from September to May . It varies from the 2d to the 4th magnitude in about 31⁄2 hours , and back again in the same time ; after which it remains steadily brilliant for 24 days ...
... horizon 18 hours out of 24 , it may be seen every evening from September to May . It varies from the 2d to the 4th magnitude in about 31⁄2 hours , and back again in the same time ; after which it remains steadily brilliant for 24 days ...
Page 56
... horizon the most magnificent view of the celestial bodies that the starry firmament affords ; and it is visible to all the nabitable world , because the equinoctial passes through the middle of the constellation . It is represented on ...
... horizon the most magnificent view of the celestial bodies that the starry firmament affords ; and it is visible to all the nabitable world , because the equinoctial passes through the middle of the constellation . It is represented on ...
Page 58
... horizon ; yet it appears to occupy this position , only when it is on the meridian . How may the distances of the stars from each other be measured by reference to the yard ? How are the three stars situated with respect to the ...
... horizon ; yet it appears to occupy this position , only when it is on the meridian . How may the distances of the stars from each other be measured by reference to the yard ? How are the three stars situated with respect to the ...
Page 62
... horizon . West of Rigel there are five or six stars of the 3d and 4th magnitudes , arching up in a semicircular form , and marking the first bend of the northern stream . About 80 below these , or 19 ° W. of Rigel , is a bright star of ...
... horizon . West of Rigel there are five or six stars of the 3d and 4th magnitudes , arching up in a semicircular form , and marking the first bend of the northern stream . About 80 below these , or 19 ° W. of Rigel , is a bright star of ...
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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 Describe 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 mean distance Mercury meridian millions of miles minutes Moon Moon's motion naked eye nearly nebulæ night node north pole northern hemisphere observed orbit Orion parallax passing perihelion period Perseus phenomena planets Pleiades polar star position principal star represented revolution revolve right ascension rise satellites Saturn seasons seen side sidereal Sirius situated small stars solar system solstice southern spots Sun's supposed surface Taurus telescope tion triangle Ursa Venus vernal equinox Virgo visible whole number Zeta Zodiac