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Page vi
... 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 NEBULĘ - 120 125 BIBLIOGRAPHY INDEX · 147 151 PREFACE AN attempt has been made in these pages to vi CONTENTS.
... 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 NEBULĘ - 120 125 BIBLIOGRAPHY INDEX · 147 151 PREFACE AN attempt has been made in these pages to vi CONTENTS.
Page 2
... stars , meteor showers , and remarkable conjunc- tions of the planets , as well as plagues and famines , floods and droughts , wars and the deaths of great rulers . Sometimes they thought they could trace con- nections which might lead ...
... stars , meteor showers , and remarkable conjunc- tions of the planets , as well as plagues and famines , floods and droughts , wars and the deaths of great rulers . Sometimes they thought they could trace con- nections which might lead ...
Page 6
... stars seemed to be fixed on this vault ; the moon , and later the planets , were seen to crawl over it . It was a great step to look on the vault as a hollow sphere carrying the sun too . It must have been difficult to believe that at ...
... stars seemed to be fixed on this vault ; the moon , and later the planets , were seen to crawl over it . It was a great step to look on the vault as a hollow sphere carrying the sun too . It must have been difficult to believe that at ...
Page 7
... stars , became later the highest goal in astronomy . To not one of the above important steps in the progress of astronomy can we assign the author with certainty . Probably many of them were independently taken by Chinese , Indian ...
... stars , became later the highest goal in astronomy . To not one of the above important steps in the progress of astronomy can we assign the author with certainty . Probably many of them were independently taken by Chinese , Indian ...
Page 9
... stars in the places occupied by the sun at these seasons , and in 2285 B. C. he gave them further orders . If this account be true , it shows a knowledge that the vault of heaven is a complete sphere , and that stars are shining at mid ...
... stars in the places occupied by the sun at these seasons , and in 2285 B. C. he gave them further orders . If this account be true , it shows a knowledge that the vault of heaven is a complete sphere , and that stars are shining at mid ...
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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 nebulę 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