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Page vi
... SpECTROSCOPE Book IV . THE PHYSICAL PERIOD 12. THE SUN · 13. THE MOON AND PLANETS PAGE 73 86 3883 94 107 14. COMETS AND METEORS 15. THE STARS AND NEBULÆ - 120 125 BIBLIOGRAPHY INDEX · 147 151 PREFACE AN attempt has been made in these ...
... SpECTROSCOPE Book IV . THE PHYSICAL PERIOD 12. THE SUN · 13. THE MOON AND PLANETS PAGE 73 86 3883 94 107 14. COMETS AND METEORS 15. THE STARS AND NEBULÆ - 120 125 BIBLIOGRAPHY INDEX · 147 151 PREFACE AN attempt has been made in these ...
Page 89
... Spectroscope . Since the invention of the telescope no discovery has given so great an impetus to astronomical physics as the spectroscope ; and in giving us information about the systems of stars and their proper motions it rivals G 2 ...
... Spectroscope . Since the invention of the telescope no discovery has given so great an impetus to astronomical physics as the spectroscope ; and in giving us information about the systems of stars and their proper motions it rivals G 2 ...
Page 93
... , Kepler on Tycho Brahe , and Newton in much of his work upon Flamsteed . When Galileo directed his telescope to the heavens , when Secchi and Huggins studied the chemistry of the stars by means of the spectroscope , and when Warren 93.
... , Kepler on Tycho Brahe , and Newton in much of his work upon Flamsteed . When Galileo directed his telescope to the heavens , when Secchi and Huggins studied the chemistry of the stars by means of the spectroscope , and when Warren 93.
Page 94
... spectroscope , and photography . In this new development it is more than ever essential to follow the dictum of Tycho Brahe -- not to make theories until all the necessary facts are obtained . The great astro- nomers of to - day still ...
... spectroscope , and photography . In this new development it is more than ever essential to follow the dictum of Tycho Brahe -- not to make theories until all the necessary facts are obtained . The great astro- nomers of to - day still ...
Page 101
... spectro- scope is placed with its slit in the focus of an equatoreal telescope , pointed to the sun , so that the circular image " The Sun as Photographed on the K line " ; Knowledge , London , 1903 , p . 229 . of the sun falls on the ...
... spectro- scope is placed with its slit in the focus of an equatoreal telescope , pointed to the sun , so that the circular image " The Sun as Photographed on the K line " ; Knowledge , London , 1903 , p . 229 . of the sun falls on the ...
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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