Comets, Asteroids and Meteors

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Across
  1. 3. beyond the dwarf planets
  2. 4. belt asteroids between Mars and Jupiter
  3. 5. a shooting star
  4. 7. two distinctive parts in a comet
  5. 8. rock moving in the solar system
  6. 9. made of ice and dust
Down
  1. 1. a meteor hitting the Earth's surface
  2. 2. break down
  3. 4. small chunks of rock orbiting the Sun
  4. 6. an oval orbit