“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 |
From inside the book
Results 1-5 of 36
Page 210
... apparent diameter of the sun , which he made equal to half a degree ; and formed the constellation of the Little Bear . He also observed the nature of eclipses , and calculated them ex- actly ; one in particular , memorably recorded by ...
... apparent diameter of the sun , which he made equal to half a degree ; and formed the constellation of the Little Bear . He also observed the nature of eclipses , and calculated them ex- actly ; one in particular , memorably recorded by ...
Page 245
... apparent motion of the planets is either Direct , Stationary , or Retrograde . The motion of a planet is said to be ... diameter is called a digit . Disc is the face of the sun or moon , such as they appear to a spectator on the ...
... apparent motion of the planets is either Direct , Stationary , or Retrograde . The motion of a planet is said to be ... diameter is called a digit . Disc is the face of the sun or moon , such as they appear to a spectator on the ...
Page 249
... apparent diameter of the Sun , as seen from the Earth , undergoes a periodical variation . It is greatest when the Earth is in its perihelion , which is about December the 31st , at which time it is 32 ′ 35.6 " ; and it is least , when ...
... apparent diameter of the Sun , as seen from the Earth , undergoes a periodical variation . It is greatest when the Earth is in its perihelion , which is about December the 31st , at which time it is 32 ′ 35.6 " ; and it is least , when ...
Page 250
... diameter . Sometimes , though rarely , the Sun has appeared pure and without spots , for several years together ... apparent annual motion round the earth . 6. The continued observation of these spots shows that the Sun revolves on ...
... diameter . Sometimes , though rarely , the Sun has appeared pure and without spots , for several years together ... apparent annual motion round the earth . 6. The continued observation of these spots shows that the Sun revolves on ...
Page 256
... diameter of the Sun ? How many times is the Sun larger than the Earth ? What is the mean apparent diameter of the Sun , when is it greatest , & c . ? Has the Sun an atmosphere , and what is its sup- posed height ? What are the solar ...
... diameter of the Sun ? How many times is the Sun larger than the Earth ? What is the mean apparent diameter of the Sun , when is it greatest , & c . ? Has the Sun an atmosphere , and what is its sup- posed height ? What are the solar ...
Other editions - View all
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