The Geography of the Heavens: And Class-book of Astronomy; Accompanied by a Celestial Atlas |
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Page v
... nearly the same end . This is the method which I nave pursued in this work . The descriptive part of it , at least , was not composed by the light of the sun , principally , nor of a lamp , but by the light of the stars themselves ...
... nearly the same end . This is the method which I nave pursued in this work . The descriptive part of it , at least , was not composed by the light of the sun , principally , nor of a lamp , but by the light of the stars themselves ...
Page x
... nearly with one apparent revolution of the sun . But finding the coincidence not exact , and that the time of the seasons was chang- ing - in order to know the precise bounds of the sun's annual course , and the number of days ...
... nearly with one apparent revolution of the sun . But finding the coincidence not exact , and that the time of the seasons was chang- ing - in order to know the precise bounds of the sun's annual course , and the number of days ...
Page xv
... nearly reach from the earth to the moon , and would enclose within their vast circumference 500 worlds as large as ours - suns a million times larger than this earthly ball , diffusing their light over distant worlds - and these suns ...
... nearly reach from the earth to the moon , and would enclose within their vast circumference 500 worlds as large as ours - suns a million times larger than this earthly ball , diffusing their light over distant worlds - and these suns ...
Page 35
... nearly 150 ; or one hour E. of the equinoctial colure . It consists of 66 visible stars , of which three are of the 2d magnitude , and two of the 3d ; most of the rest are small . The stars directly in the zenith , are too small to be ...
... nearly 150 ; or one hour E. of the equinoctial colure . It consists of 66 visible stars , of which three are of the 2d magnitude , and two of the 3d ; most of the rest are small . The stars directly in the zenith , are too small to be ...
Page 36
... Nearly in a line with Almaack , Merach and Delta , but curving a little to the N. 7 ° farther , is a lone star of the 2d magnitude , in the head , called Alpheratz . This is the N. E. corner of the great " Square of Pegasus , " to be ...
... Nearly in a line with Almaack , Merach and Delta , but curving a little to the N. 7 ° farther , is a lone star of the 2d magnitude , in the head , called Alpheratz . This is the N. E. corner of the great " Square of Pegasus , " to 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 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