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 17
... present distance from the earth , 240,000 miles , might revolve uninterrupted , being but little more than half way from the centre to the cir- cumference of the sun . Such a hollow globe might , therefore , contain within itself a ...
... present distance from the earth , 240,000 miles , might revolve uninterrupted , being but little more than half way from the centre to the cir- cumference of the sun . Such a hollow globe might , therefore , contain within itself a ...
Page 24
... presents the image of that luminary to inhabi- tants two degrees to the west of his meridian . What is the sun ? How is the sun placed in respect to the plan- etary orbits ? Has the sun any motion ? How often does it turn on its axis ...
... presents the image of that luminary to inhabi- tants two degrees to the west of his meridian . What is the sun ? How is the sun placed in respect to the plan- etary orbits ? Has the sun any motion ? How often does it turn on its axis ...
Page 27
... present inhabit- ants of the earth . ) According to Dr. Herschel , Mercury is equally lu- minous in every part of his body , having neither dark spots , nor uneven edge , but a disk well defined in ev- ery part . Mr. Schroeter ; on the ...
... present inhabit- ants of the earth . ) According to Dr. Herschel , Mercury is equally lu- minous in every part of his body , having neither dark spots , nor uneven edge , but a disk well defined in ev- ery part . Mr. Schroeter ; on the ...
Page 28
... rude representation of a female fig- ure with a trailing or flowing robe . ' Venus must at times present to the inhabitants of Mercury a view far more brilliant than can be enjoyed by us . When at her least distance , she 28 VENUS .
... rude representation of a female fig- ure with a trailing or flowing robe . ' Venus must at times present to the inhabitants of Mercury a view far more brilliant than can be enjoyed by us . When at her least distance , she 28 VENUS .
Page 45
... sun being in one of the foci , and the present place of the aphelion , the earth is between seven and eight days longer in passing the six northern signs , than the six southern . Comparing the time from the THE EARTH . 45.
... sun being in one of the foci , and the present place of the aphelion , the earth is between seven and eight days longer in passing the six northern signs , than the six southern . Comparing the time from the THE EARTH . 45.
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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