~ Outer Space ~

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Across
  1. 2. huge chunks of irregularly shaped rocks in space
  2. 6. the 4 farthest planets with no solid surface
  3. 8. a cloud of billions of comets beyond
  4. 9. the average distance between the earth and the sun
  5. 10. between Mars and Jupiter or scattered throughout the solar system
Down
  1. 1. a piece of space dust or rock
  2. 3. an imaginary line on which a body rotates
  3. 4. a meteoroid burning as it enters earth's atmosphere
  4. 5. the 4 closest planets to the sun
  5. 7. when a meteor strikes earth