Adrianna's Crossword

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Across
  1. 2. most planets have one or more of these as orbiting companions
  2. 4. the planet closest to the sun
  3. 5. A theory where earth is at the center rather than the sun
  4. 7. the ninth planet
  5. 9. "shooting stars"
  6. 10. Big enough for gravity to make it round but generally smaller than a planet
Down
  1. 1. small leftover bodies that orbit the sun in between mars and jupiter
  2. 3. the first form before becoming a meteor
  3. 6. Another name for inner planets
  4. 8. dusty/rocky chunks that melt when they see the sunlight