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George Forbes. PREFACE. An attempt has been made in these pages to trace the evolution of intellectual thoughtintheprogress of astronomical discovery, and, by recognisingthe different points of view of the different ages, to give due credit ...
George Forbes. PREFACE. An attempt has been made in these pages to trace the evolution of intellectual thoughtintheprogress of astronomical discovery, and, by recognisingthe different points of view of the different ages, to give due credit ...
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... in theories.Soit isthatthese men, who have built up the most sure and most solid of all the sciences, refuse to invite othersto join them in vain speculation.Thewriter has, therefore, in this ... of today, who is not allowed the luxury of.
... in theories.Soit isthatthese men, who have built up the most sure and most solid of all the sciences, refuse to invite othersto join them in vain speculation.Thewriter has, therefore, in this ... of today, who is not allowed the luxury of.
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George Forbes. schoolboy of today, who is not allowed the luxury of learning the art of reasoning from him who still remains pre eminently its greatest exponent, Euclid. These students pity also the manoftomorrow, whois not tobe allowed to ...
George Forbes. schoolboy of today, who is not allowed the luxury of learning the art of reasoning from him who still remains pre eminently its greatest exponent, Euclid. These students pity also the manoftomorrow, whois not tobe allowed to ...
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George Forbes. anticipations. Experience alone, in both cases, leads to the idea of cause and effect as a principle that seems to dominate our present universe, as a rule for predicting the course ofevents,andas aguidetothe choiceof a ...
George Forbes. anticipations. Experience alone, in both cases, leads to the idea of cause and effect as a principle that seems to dominate our present universe, as a rule for predicting the course ofevents,andas aguidetothe choiceof a ...
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... the period during which Halley's comet has been a member of the solar system, and to identify it in the Chinese observations of comets asfar back as 12 B.C. Cowelland Cromellin extended the dateto 240B.C.In thesame way the comet 1861.i ...
... the period during which Halley's comet has been a member of the solar system, and to identify it in the Chinese observations of comets asfar back as 12 B.C. Cowelland Cromellin extended the dateto 240B.C.In thesame way the comet 1861.i ...
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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 Chaldæans 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 sunÂspot supposed surface telescope terrestrial thatthe theearth themoon theory thesame thesolar thesun tobe tothe Tycho Brahe Uranus velocity Venus Verrier William Herschel withthe zenith