The Geography of the Heavens, and Class Book of Astronomy; Accompanied by a Celestial Atlas |
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Page iv
... stars , according to their magnitudes and places , and be accompanied , at the same time , with such fami- liar exercises and illustrations , adapted to recitation , as should bring it within the pale of popular instruction , and the ...
... stars , according to their magnitudes and places , and be accompanied , at the same time , with such fami- liar exercises and illustrations , adapted to recitation , as should bring it within the pale of popular instruction , and the ...
Page v
... stars themselves . Having fixed upon the most conspicuous star , or group of stars , in each constellation , as it passed the meri . dian , and with a pencil carefully noted all the identifying circum- stances of position , bearing ...
... stars themselves . Having fixed upon the most conspicuous star , or group of stars , in each constellation , as it passed the meri . dian , and with a pencil carefully noted all the identifying circum- stances of position , bearing ...
Page 25
... stars which they contain . A constellation may be defined to be a cluster or group of stars embraced in the outline of some figure . These figures are in many cases , creations of the imagination , but in others , the stars are in ...
... stars which they contain . A constellation may be defined to be a cluster or group of stars embraced in the outline of some figure . These figures are in many cases , creations of the imagination , but in others , the stars are in ...
Page 31
... stars , and at other seasons of the year it is easier to look up to stars that want an hour of their meridian altitude than to those which are directly over head . It will be readily seen that the stars are so represented on the maps as ...
... stars , and at other seasons of the year it is easier to look up to stars that want an hour of their meridian altitude than to those which are directly over head . It will be readily seen that the stars are so represented on the maps as ...
Page 32
... Star . Its position is ap- parently the same every hour of the night throughout the year , while the other stars are continually moving . Many of the stars also in that region of the skies never set , so that when the sky is clear ...
... Star . Its position is ap- parently the same every hour of the night throughout the year , while the other stars are continually moving . Many of the stars also in that region of the skies never set , so that when the sky is clear ...
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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 Describe 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 mean distance Mercury meridian millions of miles minutes Moon Moon's motion naked eye nearly nebulæ night node north pole northern hemisphere observed orbit Orion parallax passing perihelion period Perseus phenomena planets Pleiades polar star position principal star represented revolution revolve right ascension rise satellites Saturn seasons seen side sidereal Sirius situated small stars solar system solstice southern spots Sun's supposed surface Taurus telescope tion triangle Ursa Venus vernal equinox Virgo visible whole number Zeta Zodiac