[Gutenberg 58810] • The Heavens Above: A Popular Handbook of Astronomy by Gillet, J.A. -- Read -- Imperial Library of Trantor

Index

Preface. CONTENTS. I. The Celestial Sphere. II. The Solar System.

I. THEORY OF THE SOLAR SYSTEM.

The Ptolemaic System. The Copernican System. Tycho Brahe's System. Kepler's System. The Newtonian System.

II. THE SUN AND PLANETS.

I. THE EARTH. Form and Size. Day and Night. The Seasons. Tides. The Day and Time. The Year. Weight of the Earth and Precession. II. THE MOON. Distance, Size, and Motions. The Atmosphere of the Moon. The Surface of the Moon.

III. INFERIOR AND SUPERIOR PLANETS.

Inferior Planets. Superior Planets.

IV. THE SUN.

I. MAGNITUDE AND DISTANCE OF THE SUN. II. PHYSICAL AND CHEMICAL CONDITION OF THE SUN. Physical Condition of the Sun. The Spectroscope. Spectra. Chemical Constitution of the Sun. Motion at the Surface of the Sun. III. THE PHOTOSPHERE AND SUN SPOTS. The Photosphere. Sun-Spots. IV. THE CHROMOSPHERE AND PROMINENCES. V. THE CORONA.

V. ECLIPSES. VI. THE THREE GROUPS OF PLANETS.

I. GENERAL CHARACTERISTICS OF THE GROUPS. II. THE INNER GROUP OF PLANETS. Mercury. Venus. Mars. III. THE ASTEROIDS. IV. OUTER GROUP OF PLANETS. Jupiter. THE SATELLITES OF JUPITER. Saturn. THE PLANET AND HIS MOONS. THE RINGS OF SATURN. Uranus. Neptune.

VII. COMETS AND METEORS.

I. COMETS. General Phenomena of Comets. Motion and Origin of Comets. Remarkable Comets. Connection between Meteors and Comets. Physical and Chemical Constitution of Comets. II. THE ZODIACAL LIGHT.

III. The Stellar Universe.

I. GENERAL ASPECT OF THE HEAVENS. II. THE STARS.

The Constellations. Clusters. Double and Multiple Stars. New and Variable Stars. Distance of the Stars. Proper Motion of the Stars. Chemical and Physical Constitution of the Stars.

III. NEBULÆ.

Classification of Nebulæ. Irregular Nebulæ. Spiral Nebulæ. THE NEBULAR HYPOTHESIS.

IV. THE STRUCTURE OF THE STELLAR UNIVERSE.

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