A Compendium of Astronomy: Intended to Simplify and Illustrate the Principles of the Science : and Give a Concise View of the Motions and Aspects of the Great Heavenly Luminaries : Adapted to the Use of Common Schools, as Well as Higher SeminariesCarter, Hendee & Company, 1832 - 180 pages |
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Page 7
... rotation of the earth , and the precession of the equinoxes is reduced to a slight motion of the terrestrial axis . The circles , imagined by Ptolemy , to explain the alternate , direct , and retrograde motions of the planets ...
... rotation of the earth , and the precession of the equinoxes is reduced to a slight motion of the terrestrial axis . The circles , imagined by Ptolemy , to explain the alternate , direct , and retrograde motions of the planets ...
Page 16
... It revolves on its axis from west to east in 25 d . 15 h.16 m . or , according to some authors , in 25 d . 10 h . The sun's rotation is known from the revolution of its spots . The form of the sun is globular . ( This 16 THE SUN .
... It revolves on its axis from west to east in 25 d . 15 h.16 m . or , according to some authors , in 25 d . 10 h . The sun's rotation is known from the revolution of its spots . The form of the sun is globular . ( This 16 THE SUN .
Page 21
... rotation ; and why should heat be emitted from the dark body of the sun , and not from its luminous man- tle , when that mantle has so much the appearance of flame , from which heat is generally diffused on the earth ? But ...
... rotation ; and why should heat be emitted from the dark body of the sun , and not from its luminous man- tle , when that mantle has so much the appearance of flame , from which heat is generally diffused on the earth ? But ...
Page 27
... rotation according to Schroeter , 24 h . 5 m . 28 s . In the elements of the planets , when there is a variation by time , the computation is to the 1st of January , 1831 . Mean distance from the sun , 37,000,000 miles . Eccentricity ...
... rotation according to Schroeter , 24 h . 5 m . 28 s . In the elements of the planets , when there is a variation by time , the computation is to the 1st of January , 1831 . Mean distance from the sun , 37,000,000 miles . Eccentricity ...
Page 31
... rotation , 23h . 20m . 59s . Mean distance from the sun , 68,000,000 miles . Eccentricity , 473,100 . Which is the most brilliant body seen in the nocturnal heavens ? When is Venus morning and when evening star ? By what names is she ...
... rotation , 23h . 20m . 59s . Mean distance from the sun , 68,000,000 miles . Eccentricity , 473,100 . Which is the most brilliant body seen in the nocturnal heavens ? When is Venus morning and when evening star ? By what names is she ...
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A Compendium of Astronomy; Intended to Simplify and Illustrate the ... John Vose No preview available - 2011 |
Common terms and phrases
ancient angle aphelion appear Aries ascending node Asteroids astronomers atmosphere attraction axis bissextile brazen meridian cause celestial centre comets commence computation conjunction constellations declination degree discovered disk diurnal rotation dominical letter east eclipses elevated Epact equal equator equinox fast of clock fixed stars full moon harvest moon heat heavenly body heavens hemisphere Herschel horizon hour immense inclination inferior planets inhabitants Jupiter latitude libration light longitude longitude for 100 luminary luminous lunar magnitude Mars Mean diameter Mean distance Mercury and Venus miles month move night obliquity observed opposite orbit parallax passing performs a revolution perihelion Plate polar circles poles primary planets rays reckoned refraction represented retrograde motion revolution round revolve right ascension rising round the earth round the sun satellites Saturn seen side sidereal slow of clock solar system spots Sun fast Sun slow sun's place superior conjunction telescope tides tion visible zenith