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 26
... commencing at a conjunction , would pass the earth three times before it would complete a period , the synodic revolution of Mercury , as seen by us , be- ing 115 d . 21 h . 3 m . 34 s . The mean diameter of the sun as seen from Mercu ...
... commencing at a conjunction , would pass the earth three times before it would complete a period , the synodic revolution of Mercury , as seen by us , be- ing 115 d . 21 h . 3 m . 34 s . The mean diameter of the sun as seen from Mercu ...
Page 33
... commence , when the planet is at the greatest elongation east , nor does it continue till the planet is at the greatest elongation west of the For at these greatest elongations the planet will appear to move forward with the same ...
... commence , when the planet is at the greatest elongation east , nor does it continue till the planet is at the greatest elongation west of the For at these greatest elongations the planet will appear to move forward with the same ...
Page 46
... of seasons at the time the earth commenced its being and revolutions , must be considered a forcible corroboration of the Mosaic account . when the summers in the different hemispheres will again become 46 THE EARTH .
... of seasons at the time the earth commenced its being and revolutions , must be considered a forcible corroboration of the Mosaic account . when the summers in the different hemispheres will again become 46 THE EARTH .
Page 47
... commencement of the present century . In the latter part of the century , it will be in the aphelion on the second day of July , in the perihelion on the last day of December , in some years on the first day of January , in other years ...
... commencement of the present century . In the latter part of the century , it will be in the aphelion on the second day of July , in the perihelion on the last day of December , in some years on the first day of January , in other years ...
Page 48
... commenced such a journey at the creation , he would yet be far short of its completion , and must spend hundreds of years more be- fore his arrival at that luminary . The retrograde motion of the axis of the earth round 48 THE EARTH .
... commenced such a journey at the creation , he would yet be far short of its completion , and must spend hundreds of years more be- fore his arrival at that luminary . The retrograde motion of the axis of the earth round 48 THE EARTH .
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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