The Geography of the Heavens, and Class Book of Astronomy: Accompanied by a Celestial Atlas |
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Page 27
... Equinoxes . The Sun rises in one of these points on the 21st of March ; this point is called the Vernal Equinox . It sets in the opposite point on the 23d of September ; this point is called the Autumnal Equinox . One half of the ...
... Equinoxes . The Sun rises in one of these points on the 21st of March ; this point is called the Vernal Equinox . It sets in the opposite point on the 23d of September ; this point is called the Autumnal Equinox . One half of the ...
Page 33
... vernal equinox at the first point of Aries , not only because it is the meridian from whieh the distances of all the heavenly bodies are measured ; but especially because the student will thus be enabled to observe and compare the ...
... vernal equinox at the first point of Aries , not only because it is the meridian from whieh the distances of all the heavenly bodies are measured ; but especially because the student will thus be enabled to observe and compare the ...
Page 43
... vernal equinox . But as the con- stellations gain about 50 on the equinox , at every revolution of the heavens , they have advanced in the ecliptic nearly 31 ° beyond it , or more than a whole sign : so that the Fishes now What was the ...
... vernal equinox . But as the con- stellations gain about 50 on the equinox , at every revolution of the heavens , they have advanced in the ecliptic nearly 31 ° beyond it , or more than a whole sign : so that the Fishes now What was the ...
Page 45
... are immediately in view ? Describe the manner in which the ancients divided the Zodiac At what point of the Zodiac did this division commence ? months of the year , commencing at the vernal equinox MAP II . ] 45 ARIES .
... are immediately in view ? Describe the manner in which the ancients divided the Zodiac At what point of the Zodiac did this division commence ? months of the year , commencing at the vernal equinox MAP II . ] 45 ARIES .
Page 46
... vernal equinox . Each of these portions served as the visible representative or sign of the month it appeared in . All those stars in the Zodiac which were observed to rise while the first vessel was filling , were constellated and ...
... vernal equinox . Each of these portions served as the visible representative or sign of the month it appeared in . All those stars in the Zodiac which were observed to rise while the first vessel was filling , were constellated and ...
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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