AstronomySECTION II.—GEOMETRICAL ASTRONOMY AND ASTRONOMICAL INSTRUMENTS.Reading editionChapter navigation46 reading sectionsGo to chapterChoose a chapter…Front matterPREFACESECTION I.—HISTORY.Chapter I · FROM HIPPARCHUS TO LAPLACE.Chapter II · A CENTURY OF PROGRESS.SECTION II.—GEOMETRICAL ASTRONOMY AND ASTRONOMICAL INSTRUMENTS.Chapter I · THE EARTH AND ITS ROTATION.Chapter II · THE EARTH’S REVOLUTION ROUND THE SUN.Chapter III · HOW THE POSITIONS OF THE HEAVENLY BODIES ARE DEFINED.Chapter IV · THE EARTH’S ORBIT.Chapter V · MEAN SOLAR TIME.Chapter VI · THE MOVEMENTS OF THE MOON.Chapter VII · MOVEMENTS OF PLANETS, SATELLITES, AND COMETS.Chapter VIII · ECLIPSES AND OCCULTATIONS.Chapter IX · HOW TO FIND OUR SITUATION ON THE EARTH.Chapter X · THE EXACT SIZE AND SHAPE OF THE EARTH.Chapter XI · THE DISTANCES AND DIMENSIONS OF THE HEAVENLY BODIES.Chapter XII · THE MASSES OF CELESTIAL BODIES.Chapter XIII · GRAVITATIONAL EFFECTS OF SUN AND MOON UPON THE EARTH.Chapter XIV · INSTRUMENTAL MEASUREMENT OF ANGLES AND TIME.Chapter XV · TELESCOPES.Chapter XVI · INSTRUMENTS OF PRECISION.Chapter XVII · ASTROPHYSICAL INSTRUMENTS.SECTION III.—THE SOLAR SYSTEM.Chapter I · THE SOLAR SYSTEM AS A WHOLE.Chapter II · THE SUN.Chapter III · THE SUN’S SURROUNDINGS.Chapter IV · THE INTERIOR PLANETS.Chapter V · THE EARTH AND MOON.Chapter VI · THE PLANET MARS.Chapter VII · THE ASTEROIDS.Chapter VIII · THE PLANET JUPITER.Chapter IX · THE SATURNIAN SYSTEM.Chapter X · URANUS AND NEPTUNE.Chapter XI · FAMOUS COMETS.Chapter XII · NATURE AND ORIGIN OF COMETS.Chapter XIII · METEORITES AND SHOOTING STARS.SECTION IV.—THE SIDEREAL HEAVENS.Chapter I · THE STARS AND CONSTELLATIONS.Chapter II · DOUBLE, MULTIPLE, AND COLOURED STARS.Chapter III · THE DISTANCES AND MOTIONS OF THE STARS.Chapter IV · BINARY STARS.Chapter V · VARIABLE AND TEMPORARY STARS.Chapter VI · CLUSTERS AND NEBULÆ.Chapter VII · THE CONSTRUCTION OF THE HEAVENS.INDEXPrevious chapter ←Chapter II · A CENTURY OF PROGRESS.Next chapter →Chapter I · THE EARTH AND ITS ROTATION.All chapters and sections (46)Opening pagesFront matterOther sectionsPREFACESECTION I.—HISTORY.Chapters12Other sectionsSECTION II.—GEOMETRICAL ASTRONOMY AND ASTRONOMICAL INSTRUMENTS.Chapters1234567891011121314151617Other sectionsSECTION III.—THE SOLAR SYSTEM.Chapters12345678910111213Other sectionsSECTION IV.—THE SIDEREAL HEAVENS.Chapters1234567Other sectionsINDEXBy A. Fowler, A.R.C.S., F.R.A.S.◇← CHAPTER II. A CENTURY OF PROGRESS.CHAPTER I. THE EARTH AND ITS ROTATION. →