Problems in astrophysicsPART I PROBLEMS IN SOLAR PHYSICSReading editionChapter navigation62 reading sectionsGo to chapterChoose a chapter…Front matterPREFACEINTRODUCTION. RISE AND SCOPE OF ASTROPHYSICS.PART I PROBLEMS IN SOLAR PHYSICSChapter I · PROGRESS OF SOLAR PHYSICS.Chapter II · THE CHEMISTRY OF THE SUN.Chapter III · PECULIARITIES OF THE SOLAR SPECTRUM.Chapter IV · THE REVERSING LAYER.Chapter V · HYDROGEN, HELIUM, AND CORONIUM.Chapter VI · THE PHOTOSPHERE AND ITS DUSKY VEIL.Chapter VII · STRUCTURE AND MOVEMENTS OF SUN-SPOTS.Chapter VIII · THE SPECTRUM OF SUN-SPOTS.Chapter IX · FACULÆ AND PROMINENCES.Chapter X · THE CHROMOSPHERIC SPECTRUM.Chapter XI · THE CORONA.Chapter XII · THE SUN’S ROTATION.Chapter XIII · THE SOLAR CYCLE.Chapter XIV · THE SUN AS A WHOLE.PART II PROBLEMS IN SIDEREAL PHYSICS.Chapter I · PROGRESS OF SIDEREAL PHYSICS.Chapter II · THE CLASSIFICATION OF STELLAR SPECTRA.Chapter III · HELIUM STARS.Chapter IV · HYDROGEN STARS.Chapter V · SOLAR STARS.Chapter VI · STARS WITH FLUTED SPECTRA.Chapter VII · CARBON STARS.Chapter VIII · STARS WITH FLUTED SPECTRA SHOWING BRIGHT LINES.Chapter IX · HELIUM STARS WITH BRIGHT LINES.Chapter X · WOLF-RAYET STARS.Chapter XI · THE GENERAL QUESTION OF BRIGHT LINES IN STELLAR SPECTRA.Chapter XII · ANOMALOUS AND VARIABLE SPECTRA.Chapter XIII · COLOUR VARIABILITY.Chapter XIV · THE SPECTRA OF DOUBLE STARS.Chapter XV · THE EVOLUTION OF THE STARS.Chapter XVI · ROTATION OF THE STARS.Chapter XVII · SPECTROSCOPIC BINARIES.Chapter XVIII · ECLIPSING STARS.Chapter XIX · SHORT-PERIOD VARIABLES.Chapter XX · SHORT-PERIOD VARIABLES—Continued.Chapter XXI · THE PROBLEM OF BETA LYRÆ.Chapter XXII · STARS VARIABLE IN LONG PERIODS.Chapter XXIII · PECULIAR AND IRREGULAR VARIABLES.Chapter XXIV · TEMPORARY STARS.Chapter XXV · DARK STARS.Chapter XXVI · THE GENERAL QUESTION OF STELLAR VARIABILITYChapter XXVII · IRREGULAR STAR CLUSTERS.Chapter XXVIII · NEBULOUS CLUSTERS—THE PLEIADES.Chapter XXIX · NEBULOUS CLUSTERS—Continued.Chapter XXX · GLOBULAR CLUSTERS.Chapter XXXI · WHITE NEBULÆ.Chapter XXXII · DOUBLE NEBULÆ.Chapter XXXIII · NEBULOUS STARS.Chapter XXXIV · PLANETARY NEBULÆ.Chapter XXXV · ANNULAR NEBULÆ.Chapter XXXVI · THE ORION NEBULA.Chapter XXXVII · OTHER IRREGULAR NEBULÆ.Chapter XXXVIII · NONDESCRIPT NEBULÆ.Chapter XXXIX · VARIABLE NEBULÆ.Chapter XL · THE NATURE OF NEBULÆ.Chapter XLI · THE PHYSICS OF THE MILKY WAY.APPENDIXINDEXPrevious chapter ←INTRODUCTION. RISE AND SCOPE OF ASTROPHYSICS.Next chapter →Part 1 — Chapter I · PROGRESS OF SOLAR PHYSICS.All chapters and sections (62)Opening pagesFront matterOther sectionsPREFACEINTRODUCTION. RISE AND SCOPE OF ASTROPHYSICS.Parts1Part 1 · Chapters1234567891011121314Parts2Part 2 · Chapters1234567891011121314151617181920212223242526272829303132333435363738394041Part 2 · Other sectionsAPPENDIXINDEX13◇← INTRODUCTION. RISE AND SCOPE OF ASTROPHYSICS.CHAPTER I. PROGRESS OF SOLAR PHYSICS. →