The Geography of the Heavens, and Class Book of Astronomy: Accompanied by a Celestial Atlas |
From inside the book
Results 1-5 of 54
Page 29
... Right Ascension is the distance of a heavenly body east from the first point of Aries , measured on the equinoctial . It is more convenient to describe the situation of the heavenly bodies by their declination and right ascension , than ...
... Right Ascension is the distance of a heavenly body east from the first point of Aries , measured on the equinoctial . It is more convenient to describe the situation of the heavenly bodies by their declination and right ascension , than ...
Page 30
... right ascension into time , or time into right ascension ; for if a heavenly body is one hour in passing over 15 ° , it will be one fifteenth of an hour , or 4 minutes , in passing over 1 ° . If the first point of Aries be on the ...
... right ascension into time , or time into right ascension ; for if a heavenly body is one hour in passing over 15 ° , it will be one fifteenth of an hour , or 4 minutes , in passing over 1 ° . If the first point of Aries be on the ...
Page 31
... right ascension and declination , they might be considered as constituting one map . The scale on which all the ... right to left , on each side of the equinoctial and parallel to it , are called Parallels of Declination . Those which ...
... right ascension and declination , they might be considered as constituting one map . The scale on which all the ... right to left , on each side of the equinoctial and parallel to it , are called Parallels of Declination . Those which ...
Page 35
... right ascension is nearly 15 ° ; or one hour E. of the equinoctial colure . It consists of 66 visible stars , of which three are of the 20 magnitude , and two of the 3d ; most of the rest are small . The stars directly in the zenith ...
... right ascension is nearly 15 ° ; or one hour E. of the equinoctial colure . It consists of 66 visible stars , of which three are of the 20 magnitude , and two of the 3d ; most of the rest are small . The stars directly in the zenith ...
Page 36
... right ascension of all the heavenly bodies is measured . HISTORY . - The story of Andromeda , from which this constellation derives its name , is as follows : She was daughter of Cepheus , king of Æthiopia , by Cassio . peia . She was ...
... right ascension of all the heavenly bodies is measured . HISTORY . - The story of Andromeda , from which this constellation derives its name , is as follows : She was daughter of Cepheus , king of Æthiopia , by Cassio . peia . She was ...
Other editions - View all
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