“The” New American Grammar Of The Elements Of Astronomy, On An Improved Plan: In Three Books. I. The Use Of The Terrestrial Globe In The Solution Of Geographical And Astronomical Problems II. The Use Of The Celestial Globe ... III. The Solar System, And The Firmament Of Fixed Stars ; The Whole Systematically Arranged and Scientifically Illustrated ; With Severeal Cuts And Engravings ; And Adapted To The Instruction Of Youth In Schools And AcademiesCollins And Hannay. No. 230 Pearl-street, 1831 - 375 pages |
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Page 13
... horizon , and other appendages to the terrestrial globe . 1. The horizon is a great circle which separates the visible half of the heavens from the invisible ; the earth being considered as a point in the centre of the sphere of the ...
... horizon , and other appendages to the terrestrial globe . 1. The horizon is a great circle which separates the visible half of the heavens from the invisible ; the earth being considered as a point in the centre of the sphere of the ...
Page 14
... horizon , is an imaginary plane passing through the centre of the earth , pa- rallel to the sensible horizon . The rational horizon determines the rising of the sun , stars , and planets . 5. The wooden horizon , circumscribing the ter ...
... horizon , is an imaginary plane passing through the centre of the earth , pa- rallel to the sensible horizon . The rational horizon determines the rising of the sun , stars , and planets . 5. The wooden horizon , circumscribing the ter ...
Page 15
... horizon , contained between the centre of the object when rising , or setting , and the east or west points of the horizon . Or , it is the distance which the sun or a star , rises from the east , and sets from the west , and is used to ...
... horizon , contained between the centre of the object when rising , or setting , and the east or west points of the horizon . Or , it is the distance which the sun or a star , rises from the east , and sets from the west , and is used to ...
Page 16
... horizon is called its declination ; and the change of its declination , is properly called the variation of the needle . This term , however , is usually used to signify the declination itself . At present , at London , the north end of ...
... horizon is called its declination ; and the change of its declination , is properly called the variation of the needle . This term , however , is usually used to signify the declination itself . At present , at London , the north end of ...
Page 17
... horizon called ? What are the indexes , and where are they fixed ? How many degrees of the equator answers to an ... horizon , are called cardinal points . When the days and nights are equal , that is , when the sun is in the ...
... horizon called ? What are the indexes , and where are they fixed ? How many degrees of the equator answers to an ... horizon , are called cardinal points . When the days and nights are equal , that is , when the sun is in the ...
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Common terms and phrases
American miles analemma angle aphelion apparent diameter appear Arcturus Aries astronomers axis azimuth body brazen meridian bring the given called celestial globe centre climate comet constellation days and nights difference diurnal motion earth east ecliptic equal equator equinoctial point equinox fixed stars given place globe westward greatest heavens heliacally hemisphere Hence Herschel horizon hour circle inferior conjunction inferior planets inhabitants Jupiter latitude length longest day longitude Mars mean distance Mercury meridian altitude minutes moon nearly New-York node noon north or south north pole number of degrees o'clock oblique observed orbit parallax parallel of latitude passing perihelion polar circles principal stars Prob quadrant of altitude Rectify the globe remarkable stars retrograde revolution right ascension rising and setting satellites Saturn set the index sidereal solar south pole sun's declination sun's place superior planet supposed surface telescope terrestrial globe tion tude turn the globe twilight Venus zenith zone