comets asteroids and meteors

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Across
  1. 6. A large piece of rock in space
  2. 7. when it enters the atmosphere
  3. 8. were is the astroid belt located
  4. 9. has a distinctive tail
Down
  1. 1. when it hits earth
  2. 2. makes up a comet
  3. 3. asteroids located in asteroid --
  4. 4. A cloud that has comets orbit
  5. 5. one of the planets outside of the belt
  6. 7. when it's in space