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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Results 1-5 of 27
Page 10
... Disk of the sun or planet , the hemisphere presented to an observer appearing like a plain circle . Eccentricity , the distance in a planet's orbit between one of the foci and the centre . Eclipse , a partial or total obscuration of a ...
... Disk of the sun or planet , the hemisphere presented to an observer appearing like a plain circle . Eccentricity , the distance in a planet's orbit between one of the foci and the centre . Eclipse , a partial or total obscuration of a ...
Page 20
... disk of the sun has a motted appearance . / Indentations are the low or depressed parts of the corrugations . Pores are very small openings about the middle of the indentations . By a number of observations he would evince , that the ...
... disk of the sun has a motted appearance . / Indentations are the low or depressed parts of the corrugations . Pores are very small openings about the middle of the indentations . By a number of observations he would evince , that the ...
Page 24
... disk for sev- eral years in succession . From the year 1676 to the year 1684 , not a single spot was seen on the sun . ap- The light of the sun is progressive , and not instan- taneous , as formerly supposed . It is a little more than ...
... disk for sev- eral years in succession . From the year 1676 to the year 1684 , not a single spot was seen on the sun . ap- The light of the sun is progressive , and not instan- taneous , as formerly supposed . It is a little more than ...
Page 27
... disk well defined in ev- ery part . Mr. Schroeter ; on the contrary , pretends to have discovered in this planet not dark spots only , but mountains . On the authority of the latter observer , rests the discovery of a revolution of ...
... disk well defined in ev- ery part . Mr. Schroeter ; on the contrary , pretends to have discovered in this planet not dark spots only , but mountains . On the authority of the latter observer , rests the discovery of a revolution of ...
Page 28
... disk of Mercury appear to Dr. Herschel ? How did it appear to Schroeter ? SECTION V. Of Venus . Venus is to us the most brilliant luminary seen in the nocturnal heavens . She appears west of the sun from her inferior to her superior ...
... disk of Mercury appear to Dr. Herschel ? How did it appear to Schroeter ? SECTION V. Of Venus . Venus is to us the most brilliant luminary seen in the nocturnal heavens . She appears west of the sun from her inferior to her superior ...
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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