Outer Space

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Across
  1. 4. the planet we live on, 3rd from the sun
  2. 6. a path an object follow as it moves around another object
  3. 8. a cloud of gas and dust
  4. 9. first planet from the sun
  5. 11. a small, rocky particle that moves through space
  6. 13. a small rocky, icy object that orbits the sun
  7. 15. 4th planet from the sun
  8. 16. largest planet in our solar system, gas giant, 5th planet from sun
  9. 17. the line on which an object rotates
  10. 18. 8th planet from the sun
Down
  1. 1. 6th planet from the sun
  2. 2. a meteoroid that has entered Earth's atmosphere and produces a streak of light
  3. 3. 7th planet from the sun
  4. 5. a small rocky object that orbits the sun
  5. 7. the attractive force between all objects having mass
  6. 10. the orbit of an object around another object
  7. 11. a meteoroid that strikes a planet or a moon
  8. 12. the spin of an object around its axis
  9. 14. second planet from the sun
  10. 19. a dwarf planet