The Geography of the Heavens: And Class-book of Astronomy; Accompanied by a Celestial Atlas |
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Page v
... month , and consequently for every day in the year , and do not require to be rectified , for that purpose , like ... months afterwards , or it may be the next evening , he directs his eye upwards to recog- nize his acquaintance among ...
... month , and consequently for every day in the year , and do not require to be rectified , for that purpose , like ... months afterwards , or it may be the next evening , he directs his eye upwards to recog- nize his acquaintance among ...
Page xxiv
... month , and for every day of the year . Besides these there are two circumpolar maps of the northern and southern hemispheres of the heavens , and a pla- nisphere on the principle of Mercator's projection , which exhibits at one view ...
... month , and for every day of the year . Besides these there are two circumpolar maps of the northern and southern hemispheres of the heavens , and a pla- nisphere on the principle of Mercator's projection , which exhibits at one view ...
Page 27
... month . The Zodiac is a zone or girdle , about 16 degrees in breadth , extending quite round the heavens , and including all the heavenly bodies within 8 ° on each side of the ecliptic . It in- cludes , also , the orbits of all the ...
... month . The Zodiac is a zone or girdle , about 16 degrees in breadth , extending quite round the heavens , and including all the heavenly bodies within 8 ° on each side of the ecliptic . It in- cludes , also , the orbits of all the ...
Page 29
... month hence , be 30 ° above the horizon ; and , for the same reason , those stars which we see directly over head this evening , will at the same hour , three months hence , be seen setting in the west ; having in this time , performed ...
... month hence , be 30 ° above the horizon ; and , for the same reason , those stars which we see directly over head this evening , will at the same hour , three months hence , be seen setting in the west ; having in this time , performed ...
Page 31
... month any star will be on the me ridian at 9 o'clock in the evening . The constellation called the Great Bear is an ... months does the first map represent the heavens ? For what nonths des the second map represent the heavens ? The ...
... month any star will be on the me ridian at 9 o'clock in the evening . The constellation called the Great Bear is an ... months does the first map represent the heavens ? For what nonths des the second map represent the heavens ? The ...
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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