Space rocks

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Across
  1. 1. the dwarf planet that the only thing we know is that it has no atmosphere
  2. 3. known as shooting stars
  3. 5. where asteroids and other space rocks orbit in between the sun and Jupiter
  4. 8. rocks that float and orbit in the astro belt
  5. 10. space rock that has a tail
Down
  1. 2. rocks that smashed into the ground without disintergrating
  2. 4. used to be the 9th planet from the sun
  3. 6. where comets come from
  4. 7. largest dwarf planet
  5. 9. rocks that hasn't entered Earth's atmosphere