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Page vi
... SpeCTROSCOPE Book IV . THE PHYSICAL PERIOD 12. THE SUN · PAGE 73 86 3 94 13. THE MOON AND PLANETS - 14. COMETS AND METEORS 107 120 15. THE STARS AND NEBULĘ - n 125 INDEX 147 PREFACE An attempt has been made in these pages to vi CONTENTS.
... SpeCTROSCOPE Book IV . THE PHYSICAL PERIOD 12. THE SUN · PAGE 73 86 3 94 13. THE MOON AND PLANETS - 14. COMETS AND METEORS 107 120 15. THE STARS AND NEBULĘ - n 125 INDEX 147 PREFACE An attempt has been made in these pages to vi CONTENTS.
Page 86
... Britannica , article " Telescope , " and in Grant's Physical Astronomy , good reasons are given for awarding the honour to Lipperhey . defects are that it has no real focus where cross 86 OBSERVATION HISTORY OF THE TELescope-SpeCTROSCOPE.
... Britannica , article " Telescope , " and in Grant's Physical Astronomy , good reasons are given for awarding the honour to Lipperhey . defects are that it has no real focus where cross 86 OBSERVATION HISTORY OF THE TELescope-SpeCTROSCOPE.
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
... 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 t stars by means of the spectroscope , and when 93 Book IV THE PHYSICAL PERIOD 3.
... 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 t stars by means of the spectroscope , and when 93 Book IV THE PHYSICAL PERIOD 3.
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 ...
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accepted accurate ancient appear astronomers attraction bodies bright calculations called catalogue cause centre century Chinese circle comet compared complete Copernicus determined diameter direction discovered discovery distance earth eclipse effect elements enabled epicycles equal error explain fact fixed follow force four Galileo gave give given gravitation heavens held Herschel increased interesting Jupiter Kepler knowledge known later LIBRARIES light lunar Mars mass mathematical mean measured method miles moon moon's motion move Newton noticed object observations Observatory opposition orbit original parallax pass period photographic physical planet planetary pole position predicted progress proper motion proved records researches revolve ring rotation round Royal satellites seems seen showed SIGILLUM solar system spectroscope spectrum stars studied sun's supposed surface tables telescope theory tion trace true Tycho Brahe UNIVERSITY VERITAS