1. Minor Bodies of the Solar System Chapter 7

2. Kepler’s Laws 1. Planets orbit the sun in elliptical orbits with the sun at one focus of the ellipse

3. Keper’s Second Law As a planet moves in its orbit, a line connecting the planet to the sun sweeps out equal areas in equal times

4. Kepler’s Third Law P 2 = a 3 (provided the period is in Earth years and the semi-major axis in astronomical units)

5. The Main Asteroid Belt

6. Ceres: Largest Main Belt Asteroids

7. Gaspra and Ida (and Dactyl)

8. Mathilde and Eros

9. NEAR close-ups of Eros

10. Resonances in the Asteroid Belt

11. Main Asteroid Types C type: carbonaceous, low albedo S type: stony or stony-metallic, redder E type: high albedo, magnesium silicate D type: very dark and red M type: mostly iron and nickel E, S, and M types may be fragments from a larger body that underwent differentiation

12. Asteroid Light Curves Antigone

13. Kuiper Belt and Oort Cloud

14. Pluto: Planet or Kuiper Belt Object

15. Pluto

16. Sedna

17. Comets: Dirty Snowballs

19. SOHO Comets

20. Comets Hyakutake and Hale-Bopp

22. Impact with Comet Tempel 1 at 23,000 mph on July 4, 2005

23. Shoemaker Levy 9

24. Hits Jupiter July 1994

27. Meteors and Meteorites

28. Meteor Showers