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 |
From inside the book
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Page 12
... angles on each side equal , each is a right angle . Right ascension , the distance of a heavenly body from the first of Aries on the equator , or referred to that circle by a secondary . It is reckoned from the point where the secon ...
... angles on each side equal , each is a right angle . Right ascension , the distance of a heavenly body from the first of Aries on the equator , or referred to that circle by a secondary . It is reckoned from the point where the secon ...
Page 13
... angles , and passing through the zenith and nadir of a place . Zenith , the point in the heavens directly over the observer . The zenith and nadir are the poles of the horizon . Zodiacal light , a pyramid or triangular beam of light ...
... angles , and passing through the zenith and nadir of a place . Zenith , the point in the heavens directly over the observer . The zenith and nadir are the poles of the horizon . Zodiacal light , a pyramid or triangular beam of light ...
Page 30
... angle at the point c , about one third of the diameter of Venus from the cusp a . Fig . 3 represents the appearance of Venus with her blunt horn and rug- ged edge . ' Mr Schroeter , ' says Dr. Brewster , ' seems to have been very ...
... angle at the point c , about one third of the diameter of Venus from the cusp a . Fig . 3 represents the appearance of Venus with her blunt horn and rug- ged edge . ' Mr Schroeter , ' says Dr. Brewster , ' seems to have been very ...
Page 38
... angle of about 23 ° 28 ' . ( See obliquity . ) The meridian is a great circle encompassing the earth from north to south , passing through the poles , and crossing the equator at right angles . It is repre- sented on an artificial globe ...
... angle of about 23 ° 28 ' . ( See obliquity . ) The meridian is a great circle encompassing the earth from north to south , passing through the poles , and crossing the equator at right angles . It is repre- sented on an artificial globe ...
Page 42
... angles to the horizon . ) The celestial equator passes through the zenith and nadir . The poles are in the horizon . From the equator to the poles the inhabitants have an oblique sphere . The apparent circles , or circles formed by the ...
... angles to the horizon . ) The celestial equator passes through the zenith and nadir . The poles are in the horizon . From the equator to the poles the inhabitants have an oblique sphere . The apparent circles , or circles formed by the ...
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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