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 12
... east to west , parallel to the equator , about 23 ° 28 ′ from the poles . Poles of a planet or the sun , the extremities of its axis . Precession of the equinoxes , their retrograde motion in the heavens . Primary planets , those which ...
... east to west , parallel to the equator , about 23 ° 28 ′ from the poles . Poles of a planet or the sun , the extremities of its axis . Precession of the equinoxes , their retrograde motion in the heavens . Primary planets , those which ...
Page 15
... east , at different distances and with unequal velocity ; imagine those nearest the large ball to have the swiftest motion , and that the movement of the others is more and more slow , as you pass to those most remote ; im- agine ...
... east , at different distances and with unequal velocity ; imagine those nearest the large ball to have the swiftest motion , and that the movement of the others is more and more slow , as you pass to those most remote ; im- agine ...
Page 16
... motion . 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 .
... motion . 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 23
... eastern continent , Europe , Asia , and Africa ; some to cover the surface of the whole earth ; and one was ob ... east in a little more than twenty - seven days , a period longer than the time in which the sun revolves on its axis ...
... eastern continent , Europe , Asia , and Africa ; some to cover the surface of the whole earth ; and one was ob ... east in a little more than twenty - seven days , a period longer than the time in which the sun revolves on its axis ...
Page 24
... east of their true place . Let S be the sun , ( Plate v . Fig . 4 , ) A B C the equator , or a parallel of latitude on the earth . If light were instantaneous , it would be noon at A , when the sun is on the meridi- an , as at D. But as ...
... east of their true place . Let S be the sun , ( Plate v . Fig . 4 , ) A B C the equator , or a parallel of latitude on the earth . If light were instantaneous , it would be noon at A , when the sun is on the meridi- an , as at D. But as ...
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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