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Minor Bodies of the Solar System

Minor Bodies of the Solar System. Chapter 7. Kepler’s Laws. 1. Planets orbit the sun in elliptical orbits with the sun at one focus of the ellipse. 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.

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Minor Bodies of the Solar System

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  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 • P2 = a3 (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

  18. SOHO Comets

  19. Comets Hyakutake and Hale-Bopp

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

  21. Shoemaker Levy 9

  22. Hits Jupiter July 1994

  23. Meteors and Meteorites

  24. Meteor Showers

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