The Geography of the Heavens, and Class Book of Astronomy: Accompanied by a Celestial Atlas |
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Page ix
... distance between the moon and certain stars , at a particular time , he can calculate his distance East or West from a given meridian ; and , by taking the meridian altitude of the sun or of a star , he can learn his distance from the ...
... distance between the moon and certain stars , at a particular time , he can calculate his distance East or West from a given meridian ; and , by taking the meridian altitude of the sun or of a star , he can learn his distance from the ...
Page 28
... distance of these two points from the equinoctial , is always equal to the obliquity of the ecliptic , which , in round numbers , is 23c ; but as we have seen the obliquity of the ecliptic is continually changing ; therefore the ...
... distance of these two points from the equinoctial , is always equal to the obliquity of the ecliptic , which , in round numbers , is 23c ; but as we have seen the obliquity of the ecliptic is continually changing ; therefore the ...
Page 29
... distance north or south of the equator , and is measured on a meridian . Latitude in the Heavens , is distance north or south of the ecliptic , and at right angles with it . Longitude on the Earth , is distance either east or west from ...
... distance north or south of the equator , and is measured on a meridian . Latitude in the Heavens , is distance north or south of the ecliptic , and at right angles with it . Longitude on the Earth , is distance either east or west from ...
Page 42
... distance , than by their declination . By polar distance , is meant - the distance from the pole ; and is what the declination wants of 90 ° . In this constellation there are 35 stars visible to the naked eye ; of these , there glitters ...
... distance , than by their declination . By polar distance , is meant - the distance from the pole ; and is what the declination wants of 90 ° . In this constellation there are 35 stars visible to the naked eye ; of these , there glitters ...
Page 44
... distance between Arietis and the Moon , which often passes near it , determine at once not only the spot he was in , but his true course and distance to any known meri- dian or harbour on the earth . Lying along the moon's path , there ...
... distance between Arietis and the Moon , which often passes near it , determine at once not only the spot he was in , but his true course and distance to any known meri- dian or harbour on the earth . Lying along the moon's path , there ...
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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 Denebola 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 luminous Mars mean distance Mercury meridian millions of miles minutes Moon Moon's motion naked eye nearly nebulæ night node north pole northern hemisphere o'clock observed orbit Orion parallax passing perihelion period Perseus phenomena planets Pleiades polar star principal star represented revolution revolve right ascension rise satellites Saturn seasons seen side sidereal Sirius situated small stars solar system solstice southern spots square Sun's supposed surface Taurus telescope tion triangle Ursa Venus vernal equinox Virgo visible whole number Zeta Zodiac