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p.162

Pluto Space debris Comets Meteors Meteor showers Fireballs Asteroids. Comet Ikeya-Zhang. Names after discoverer(s). p.162. Comet Hale-Bopp Visible in daytime. Fig. 8-1, p. 163. Discovery of Pluto by Clyde Tombaugh in 1930. Fig. 8-2, p. 164. Best Earth based Telescope

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p.162

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  1. Pluto Space debris Comets Meteors Meteor showers Fireballs Asteroids Comet Ikeya-Zhang Names after discoverer(s) p.162

  2. Comet Hale-Bopp Visible in daytime Fig. 8-1, p. 163

  3. Discovery of Pluto by Clyde Tombaugh in 1930 Fig. 8-2, p. 164

  4. Best Earth based Telescope picture Fig. 8-3, p. 164

  5. Pluto and Charon by Hubble Space Telescope Fig. 8-5b, p. 165

  6. Pluto and Charon Fig. 8-6, p. 166

  7. Is Pluto a planet – Yes (If discovered now probably - NO) Are there other planet type objects? YES called Kuiper Belt Objects. OTHER PLANETS (KBO’s)

  8. Comet Hyakutake Fig. 8-9, p. 169

  9. Halley’s Comet in 1986 Period 77 years Fig. 8-10, p. 170

  10. Fig. 8-14, p. 172

  11. Comet Hale-Bopp Fig. 8-11, p. 170

  12. Tail points away from Sun

  13. Halley comet Giotto spacecraft Fig. 8-16, p. 173

  14. Comet Shoemaker-Levy 9 viewed with the Hubble Space Telescope. Over twenty fragments, each with its own tail, appear in this image taken six months before their collisions with Jupiter. Fig. 8-20, p. 175

  15. Comet Borrelly by NASA Deep Space 1 Fig. 8-23a, p. 177

  16. Leonids Meteor shower Earth passing through tail of comet Fig. 8-25, p. 178

  17. Table, p. 180

  18. Meteoroid – rock in space Meteor – rock burning in atmosphere typically moving at 40,000 km / hr Meteorite – survives atmosphere burning About 5% iron and nickel. About 90% rock, rest mixture

  19. 15-ton iron meteorite Museum of Natural History, New York City Fig. 8-26, p. 178

  20. The largest mass of the Cape York meteorite, a 35-ton piece known as “Ahnighito Fig. 8-27, p. 178

  21. Barringer “meteor crater” (actually a meteorite crater) in Arizona 1.3 km in diameter. Fig. 8-28, p. 179

  22. Meteorite crashing into car in New York Very rare occurrence Fig. 8-29, p. 179

  23. “Fireball”—an extremely bright meteor Fig. 8-30, p. 180

  24. AST1104.swf Asteroids Most between Mars and Jupiter. Largest Ceres – About 1,000 km in diameter. About 10,000 catalogued.

  25. Asteroid Gaspra Fig. 8-33, p. 182

  26. Asteroid Ida and moon Dactyl Fig. 8-34, p. 182

  27. AST1105.jpg

  28. Asteroid Eros shows rotation Fig. 8-35, p. 184

  29. Asteroid Mathilde Fig. 8-36a, p. 184

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