Preface
Part I. The System of the World Historically Developed: Introduction
1. The ancient astronomy, or the apparent motions of the heavenly bodies
2. The Copernican system, or the true motions of the heavenly bodies
3. Universal gravitation
Part II. Practical Astronomy: Introductory remarks
1. The telescope
2. Application of the telescope to celestial measurements
3. Measuring distances in the heavens
4. The motion of light
5. The spectroscope
Part III. The Solar System: 1. General structure of the solar system
2. The sun
3. The inner group of planets
4. The outer group of planets
5. Comets and meteors
Part IV. The Stellar Universe: 1. The stars as they are seen
2. The structure of the universe
3. The cosmogony
Addendum to Part III chapter 2
Appendix
Index
Addendum II, the satellites of Mars
Explanation of the star maps.