Solar System

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Across
  1. 1. known as the red planet, because of iron oxide
  2. 3. Know as a "dirty snowball"
  3. 6. Largest planet in the solar system
  4. 9. force that governs the motion of objects in Earth's solar system
  5. 10. Orbits a planet
  6. 12. Inner planets are known as
  7. 14. last planet in our solar system
  8. 16. Located in a band between Mars and Jupiter
  9. 19. zone that allows life to exist
Down
  1. 2. Known for its beautiful rings
  2. 4. Burning object located in Earth's atmosphere
  3. 5. allows life to exist
  4. 7. the revolution length of mercury compared to neptune
  5. 8. to spin on an axis
  6. 9. outer planets are made of this
  7. 11. physical state of water needed for life to exist
  8. 13. to move around an object
  9. 15. happens to temperature when a planet is further away from the sun
  10. 17. composed of hydrogen and helium
  11. 18. an inner planet, known as being "blue"