Читать книгу The Asteroids; Or Minor Planets Between Mars and Jupiter - Daniel Kirkwood - Страница 2

PREFACE.

PART I.

THE ASTEROIDS, OR MINOR PLANETS BETWEEN MARS AND JUPITER.

1. Introductory. PLANETARY DISCOVERIES BEFORE THE ASTEROIDS WERE KNOWN.

2. Discovery of the First Asteroids.

TABLE I. The Asteroids in the Order of their Discovery.

3. Remarks on Table I.

4. Mode of Discovery.

5. Magnitudes of the Asteroids.

6. The Orbits of the Asteroids.

TABLE II. Elements of the Asteroids.

PART II.

DISCUSSION OF THE FACTS IN TABLE II.

1. Extent of the Zone.

2. The Small Mass of the Asteroids.

3. The Limits of Perihelion Distance.

4. Was the Asteroid Zone originally Stable?—Distribution of the Members in Space.

5. Relations between certain Adjacent Orbits.

6. The Eccentricities.

7. The Inclinations.

8. Longitudes of the Perihelia.

9. Distribution of the Ascending Nodes.

10. The Periods.

11. Origin of the Asteroids.

12. Variability of Certain Asteroids.

13. The Average Asteroid Orbit.

14. The Relation of Short-Period Comets to the Zone of Asteroids.

APPENDIX.

NOTE A. THE POSSIBLE EXISTENCE OF ASTEROIDS IN UNDISCOVERED RINGS.

NOTE B. THE ORIGIN AND STRUCTURE OF COSMICAL RINGS.

THE END.