History of Astronomy |
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... has, therefore, in this short History, tried to followthatgreat master, Airy, whose pupil he was, and the keytowhose characterwas exactness and accuracy; and he recognisesthat Scienceis impotent except in her own limited sphere. It has been ...
... has, therefore, in this short History, tried to followthatgreat master, Airy, whose pupil he was, and the keytowhose characterwas exactness and accuracy; and he recognisesthat Scienceis impotent except in her own limited sphere. It has been ...
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... have been substituted in its place. The first inhabitants of the world were compelled to accommodate theiractstothe daily and annual alternations of light and darknessandof heat and cold, asmuchasto the irregular changes ofweather ...
... have been substituted in its place. The first inhabitants of the world were compelled to accommodate theiractstothe daily and annual alternations of light and darknessandof heat and cold, asmuchasto the irregular changes ofweather ...
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... havebeen difficult tobelieve thatat midday the stars are shining as brightly in the blue sky as they do at night. It must havebeen difficult to explain how the sun, having set in the west, could get back to rise intheeast without being ...
... havebeen difficult tobelieve thatat midday the stars are shining as brightly in the blue sky as they do at night. It must havebeen difficult to explain how the sun, having set in the west, could get back to rise intheeast without being ...
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... have been written in 2205 B.C., that a similar sphere wasmadein the time ofYao (2357 B.C.).[1]Itis said thatthe Emperor Chueni (2513B.C.) sawfive planets in conjunction the same day that the sun and moon were in conjunction. Thisis ...
... have been written in 2205 B.C., that a similar sphere wasmadein the time ofYao (2357 B.C.).[1]Itis said thatthe Emperor Chueni (2513B.C.) sawfive planets in conjunction the same day that the sun and moon were in conjunction. Thisis ...
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... have not been availableto later scholars; but thefact remains that—althoughat long intervals observations were madeof eclipses,comets, and falling stars, andof the position of the solstices, and ofthe obliquity of the ecliptic—records ...
... have not been availableto later scholars; but thefact remains that—althoughat long intervals observations were madeof eclipses,comets, and falling stars, andof the position of the solstices, and ofthe obliquity of the ecliptic—records ...
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Airy allthe andthat andthe asthe Astronomer Royal Astronomia Nova astronomical units atmosphere atthe attraction axis bright bythe calculations catalogue centre century Chaldĉans Chinese comet confirmed Copernicus detected diameter discovered discovery distance earth eclipse epicycles equatoreal excentric explain fixed stars FOOTNOTES Frauenhofer fromthe Galileo Greenwich Halley havebeen heavenly bodies heavens heliometer Herschel Hipparchus Huggins hydrogen hypotheses inequality instruments inthe isthe John Herschel Jupiter Jupiter's Kepler lawof Lick Observatory light lines lunar Mars mathematical mean motion measured Mercury meteor miles moon moon's nebula Newton ofthese onthe orbit parallax perihelion period photographic physical planet planetary position predicted proper motion Ptolemy records reflector refractor retrograde retrograde motion revolve rotation round satellites Saturn seems solar system spectra spectroscope spectrum spots stellar sun's sunspot supposed surface telescope terrestrial thatthe theearth themoon theory thesame thesolar thesun tobe tothe Tycho Brahe Uranus velocity Venus Verrier William Herschel withthe zenith