History of Astronomy |
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Page viii
... sphere . It has been necessary to curtail many parts of the History in the attempt — perhaps a hopeless one - to lay before the reader in a limited space enough about each age to illus- trate its tone and spirit , the ideals of the ...
... sphere . It has been necessary to curtail many parts of the History in the attempt — perhaps a hopeless one - to lay before the reader in a limited space enough about each age to illus- trate its tone and spirit , the ideals of the ...
Page 6
... sphere carrying the sun too . It must have been difficult to believe that at midday the stars are shining as ... spherical , and to ascribe the diurnal motions to its rotation . Probably the greatest step ever made in astronomical theory ...
... sphere carrying the sun too . It must have been difficult to believe that at midday the stars are shining as ... spherical , and to ascribe the diurnal motions to its rotation . Probably the greatest step ever made in astronomical theory ...
Page 8
... B.C. , and shortly afterwards Yu - Chi made a sphere to represent the motions of the celestial bodies . It is also mentioned , in the book called Chu- King , supposed to have been written in 2205 B.C. 8 THE GEOMETRICAL PERIOD.
... B.C. , and shortly afterwards Yu - Chi made a sphere to represent the motions of the celestial bodies . It is also mentioned , in the book called Chu- King , supposed to have been written in 2205 B.C. 8 THE GEOMETRICAL PERIOD.
Page 9
... sphere was made in the time of Yao ( 2357 B.C . ) . 1 It is said that the Emperor Chueni ( 2513 B.C. ) saw five planets in conjunction the same day that the sun and moon were in conjunction . This is discussed by Father Martin ( MSS ...
... sphere was made in the time of Yao ( 2357 B.C . ) . 1 It is said that the Emperor Chueni ( 2513 B.C. ) saw five planets in conjunction the same day that the sun and moon were in conjunction . This is discussed by Father Martin ( MSS ...
Page 14
... sphere . Pythagoras ( 569-470 B.C. ) visited Egypt to study . science . He deduced his system , in which the earth revolves in an orbit , from fantastic first principles , of which the following are examples : " The circular motion is ...
... sphere . Pythagoras ( 569-470 B.C. ) visited Egypt to study . science . He deduced his system , in which the earth revolves in an orbit , from fantastic first principles , of which the following are examples : " The circular motion is ...
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Common terms and phrases
accepted accurate ancient appear astronomers attraction bodies bright calculations called catalogue cause centre century Chinese circle comet compared complete Copernicus determined diameter direction discovered discovery distance earth eclipse effect elements enabled epicycles equal error explain fact fixed follow force four Galileo gave give given gravitation heavens held Herschel increased interesting Jupiter Kepler knowledge known later LIBRARIES light lunar Mars mass mathematical mean measured method miles moon moon's motion move Newton noticed object observations Observatory opposition orbit original parallax pass period photographic physical planet planetary pole position predicted progress proper motion proved records researches revolve ring rotation round Royal satellites seems seen showed SIGILLUM solar system spectroscope spectrum stars studied sun's supposed surface tables telescope theory tion trace true Tycho Brahe UNIVERSITY VERITAS