The Geography of the Heavens, and Class Book of Astronomy; Accompanied by a Celestial Atlas |
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Page iv
... position , magnitude and ar- rangement , and that when all this was done , I had indeed given the pupil a few ... positions , will rarely be exhibited with such accuracy that the young observer will be inspired with much confidence in ...
... position , magnitude and ar- rangement , and that when all this was done , I had indeed given the pupil a few ... positions , will rarely be exhibited with such accuracy that the young observer will be inspired with much confidence in ...
Page v
... position , bearing , brightness , number and distance their geometrical allocation , if any , and such other descriptive features as seemed most worthy of notice , I then returned to my room to tran- scribe and classify these memoranda ...
... position , bearing , brightness , number and distance their geometrical allocation , if any , and such other descriptive features as seemed most worthy of notice , I then returned to my room to tran- scribe and classify these memoranda ...
Page ix
... position of places on its surface , could never have been ascertained . Astronomy is likewise of great utility to ... positions of all the stars of the first and second magnitude , is of particular importance ; and , therefore , a ...
... position of places on its surface , could never have been ascertained . Astronomy is likewise of great utility to ... positions of all the stars of the first and second magnitude , is of particular importance ; and , therefore , a ...
Page 28
... position of the tropics inust make a correspondent change . The Colures are two great circles which pass through the poles of the heavens , dividing the ecliptic into four equal parts , and mark the seasons of the year . One of them ...
... position of the tropics inust make a correspondent change . The Colures are two great circles which pass through the poles of the heavens , dividing the ecliptic into four equal parts , and mark the seasons of the year . One of them ...
Page 32
... 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 , they may be ...
... 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 , they may be ...
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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