The Geography of the Heavens: And Class-book of Astronomy; Accompanied by a Celestial Atlas |
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Page 42
... polar 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 ...
... polar 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 ...
Page 84
... polar one represented the oblique course of the stars , while the Hydra , or Great Snake , in the southern hemisphere , symbolized the moon's course : hence the Nodes are called the Dragon's head and tail , to this day . The hydra was a ...
... polar one represented the oblique course of the stars , while the Hydra , or Great Snake , in the southern hemisphere , symbolized the moon's course : hence the Nodes are called the Dragon's head and tail , to this day . The hydra was a ...
Page 86
... polar star is then at its greatest elongation from the true pole of the heavens ; and this is the proper time for an observer to take its angle of elevation , in order to determine the latitude , and its azimuth or angle of declination ...
... polar star is then at its greatest elongation from the true pole of the heavens ; and this is the proper time for an observer to take its angle of elevation , in order to determine the latitude , and its azimuth or angle of declination ...
Page 89
... polar regions are the haunts of this animal , and also because it makes neither extensive journeys nor rapid marches . At what period men began to sail by the stars , or who were the first people that did so , is not clear ; but the ...
... polar regions are the haunts of this animal , and also because it makes neither extensive journeys nor rapid marches . At what period men began to sail by the stars , or who were the first people that did so , is not clear ; but the ...
Page 95
... polar star . This star may also be readily distinguished by its being in a straight line with , and midway between Benetnasch , the first star in the handle of the Dipper , and Coma Berenices : and also by the fact that when Cor Caroli ...
... polar star . This star may also be readily distinguished by its being in a straight line with , and midway between Benetnasch , the first star in the handle of the Dipper , and Coma Berenices : and also by the fact that when Cor Caroli ...
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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 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 Mars mean distance Mercury meridian millions of miles minutes Moon Moon's motion naked eye nearly nebula 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