History of Astronomy |
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Page 40
... elements and finding them fail . The number of hypotheses which he examined and rejected was almost incredible ( for example , that the planets turn round centres at a little distance from the sun , that the epicycles have centres at a ...
... elements and finding them fail . The number of hypotheses which he examined and rejected was almost incredible ( for example , that the planets turn round centres at a little distance from the sun , that the epicycles have centres at a ...
Page 47
... elements , and hence deriving the original principles involved in them , will ever assure to him a distinguished place among those who have extended the domains of science . " But it was work of a different kind that established ...
... elements , and hence deriving the original principles involved in them , will ever assure to him a distinguished place among those who have extended the domains of science . " But it was work of a different kind that established ...
Page 62
... elements . The method was much developed by Lagrange . But again it was Laplace who solved the problem of the inequalities of Jupiter and Saturn by the theory of gravitation , reducing the errors of the tables from 20 ' down to 12 ...
... elements . The method was much developed by Lagrange . But again it was Laplace who solved the problem of the inequalities of Jupiter and Saturn by the theory of gravitation , reducing the errors of the tables from 20 ' down to 12 ...
Page 66
... elements . The discoverer of a planet has a right to name it , so Herschel called it Georgium Sidus , after the king . But Lalande urged the adoption of the name Herschel . Bode suggested Uranus , and this was adopted . The new planet ...
... elements . The discoverer of a planet has a right to name it , so Herschel called it Georgium Sidus , after the king . But Lalande urged the adoption of the name Herschel . Bode suggested Uranus , and this was adopted . The new planet ...
Page 69
... elements of the hypothetical planet , its mass , and its apparent position for September 30th , 1845. On September 22nd Challis wrote to Airy explaining the matter , and declaring his belief in Adams's capabilities . When Adams called ...
... elements of the hypothetical planet , its mass , and its apparent position for September 30th , 1845. On September 22nd Challis wrote to Airy explaining the matter , and declaring his belief in Adams's capabilities . When Adams called ...
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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