History of Astronomy |
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Page v
... GALILEO AND THE TElescope - NOTIONS OF GRAVITY BY HORROCKS , ETC. 7. SIR ISAAC NEWTON - LAW OF UNIVERSAL GRAVI- TATION 8. NEWTON'S PAGE vii I 7 13 23 333 46 51 SUCCESSORS HALLEY , --- EULER , LA- 60 GRANGE , LAPLACE , ETC. 9. DISCOVERY ...
... GALILEO AND THE TElescope - NOTIONS OF GRAVITY BY HORROCKS , ETC. 7. SIR ISAAC NEWTON - LAW OF UNIVERSAL GRAVI- TATION 8. NEWTON'S PAGE vii I 7 13 23 333 46 51 SUCCESSORS HALLEY , --- EULER , LA- 60 GRANGE , LAPLACE , ETC. 9. DISCOVERY ...
Page 38
... Galileo was right or wrong ) looked upon Copernicus as a weaver of fanciful theories . Johann Kepler is the name of the man whose place , as is generally agreed , would have been the most difficult to fill among all those who have ...
... Galileo was right or wrong ) looked upon Copernicus as a weaver of fanciful theories . Johann Kepler is the name of the man whose place , as is generally agreed , would have been the most difficult to fill among all those who have ...
Page 46
... Galileo and the Telescope - Notions of Gravity by Horrocks , etc. It is now necessary to leave the subject of dynamical astronomy for a short time in order to give some account of work in a different direction originated by a ...
... Galileo and the Telescope - Notions of Gravity by Horrocks , etc. It is now necessary to leave the subject of dynamical astronomy for a short time in order to give some account of work in a different direction originated by a ...
Page 47
... Galileo's popular reputation . In 1609 Galileo heard that a Dutch spectacle - maker had combined a pair of lenses so as to magnify distant objects . Working on this hint , he solved the same problem , first on paper and then in practice ...
... Galileo's popular reputation . In 1609 Galileo heard that a Dutch spectacle - maker had combined a pair of lenses so as to magnify distant objects . Working on this hint , he solved the same problem , first on paper and then in practice ...
Page 48
... Galileo - a good Catholic - got mixed up in these discussions , although on excellent terms with the Pope and his entourage . At last it came about that Galileo was summoned to appear at Rome , where he was charged with holding and ...
... Galileo - a good Catholic - got mixed up in these discussions , although on excellent terms with the Pope and his entourage . At last it came about that Galileo was summoned to appear at Rome , where he was charged with holding and ...
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accurate observations Airy astro Astronomer Royal Astronomia Nova astronomical units attraction axis bright calculations Cape Cassini catalogue centre century comet compute Copernicus diameter discovered discovery earth eclipse epicycles equatoreal error excentric explain fact fixed stars Galileo Greenwich Halley heavenly bodies heavens heliometer Hipparchus Huggins hydrogen hypothesis instruments Johann Kepler John Herschel Jupiter Jupiter's Kepler Laplace Lick Observatory light line of apses line of sight lunar Mars mathematical mean distance mean motion measured Mercury meteor method miles a second moon moon's nebulæ Newton Observatory orbit parallax perihelion period photographic physical planet planetary pole position predicted proper motion proved Ptolemy R. S. Phil records refractor retrograde retrograde motion revolution revolve round ring rotation round the sun satellites seems showed Sirius solar system spectra spectroscope spectrum spots stellar sun-spots sun's surface supposed tables telescope theory tion Trans Tycho Brahe Uranus velocity Venus Verrier zenith