INTRODUCTION CONTENTS. CHAP. I. Page 1 - General Notions.-Form and Magnitude of the Earth. — Horizon and its - CHAP. II. 9 Of the Nature of Astronomical Instruments and Observations in general. - 1 CHAP. III. OF GEOGRAPHY. 64 Of the Figure of the Earth. Its exact Dimensions. Its Form that of - - 107 CHAP. IV. OF URANOGRAPHY. Construction of Celestial Maps and Globes by Observations of Right - 157 CHAP. V. OF THE SUN'S MOTION. Apparent Motion of the Sun not uniform. Its apparent Diameter also CHAP. VI. - - Page 184 - Of the Moon. Its Sidereal Period. Its apparent Diameter. - Its Paral- - 213 CHAP. VII. Of Terrestrial Gravity. Of the Law of universal Gravitation. - Paths of - CHAP. VIII. OF THE SOLAR SYSTEM. Apparent Motions of the Planets. Their Stations and Retrogradations. - CHAP. IX. OF THE SATELLITES. 243 Of the Moon, as a Satellite of the Earth. - General Proximity of Satellites Great Number of recorded Comets. - The Number of unrecorded pro- - - - - - CHAP. XI. OF PERTURBATIONS. - Page 300 - Subject propounded. -- Superposition of small Motions. - Problem of Three - - 312 CHAP. XII. OF SIDEREAL ASTRONOMY. - - Of the Stars generally. Their Distribution into Classes according to of Stars. Of Nebulæ. - 1 - Nebulæ.-Zodiacal Light. CHAP. XIII. OF THE CALENDAR. - 372 |