The Geography of the Heavens: And Class-book of Astronomy; Accompanied by a Celestial Atlas |
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Page 35
... minute stars , and the only one of the kind which is ever visible to the naked eye . It resembles two cones of light , joined at their base , about 3 in length , and 40 in breadth . If we look directly over head at 10 o'clock on the ...
... minute stars , and the only one of the kind which is ever visible to the naked eye . It resembles two cones of light , joined at their base , about 3 in length , and 40 in breadth . If we look directly over head at 10 o'clock on the ...
Page 37
... minutes east of the meridian . Seven degrees S. E. of El Rischa , passing by three or four very small stars we come to Mira , in the Whale , a star of about the 3d magnitude , and known as the " Wonderful Star of 1596. " El Rischa may ...
... minutes east of the meridian . Seven degrees S. E. of El Rischa , passing by three or four very small stars we come to Mira , in the Whale , a star of about the 3d magnitude , and known as the " Wonderful Star of 1596. " El Rischa may ...
Page 39
... minutes on that side of it which is towards Caph , the position of the latter becomes important as it always shows on which side of the true pole the polar star is . There is another important fact in relation to the position Shedir ...
... minutes on that side of it which is towards Caph , the position of the latter becomes important as it always shows on which side of the true pole the polar star is . There is another important fact in relation to the position Shedir ...
Page 45
... minutes after She- ratan , on the 5th December , near where the sun does in mid- summer . Arietis , also , is nearly on the same meridian with Almaach , in the foot of Andromeda , 19 ° N. of it , and culmi- nates only four minutes after ...
... minutes after She- ratan , on the 5th December , near where the sun does in mid- summer . Arietis , also , is nearly on the same meridian with Almaach , in the foot of Andromeda , 19 ° N. of it , and culmi- nates only four minutes after ...
Page 48
... minutes ; while Hevelius assures us that it once disappeared for 4 years ; so that its true period , perhaps , has not been satisfactorily determined . The whole number of stars ascertained to be variable , amounts to only 15 ; while ...
... minutes ; while Hevelius assures us that it once disappeared for 4 years ; so that its true period , perhaps , has not been satisfactorily determined . The whole number of stars ascertained to be variable , amounts to only 15 ; while ...
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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