Solar System

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Across
  1. 4. Keplers third law is the law of _______
  2. 5. The rules that describe how planets orbit the sun
  3. 7. The first stage of the formation of a solar system
  4. 9. The point of balance between two objects
  5. 10. If a planet is closer to the sun, its orbit will be _______
  6. 11. The measure of how circular an ellipse is, a circle = 0
Down
  1. 1. If a planet is further from the sun, its orbit will be ______
  2. 2. The oval shape planets travel in
  3. 3. Keplers first law is the law of ______
  4. 6. Keplers second law is the law of __________
  5. 8. The second stage of the formation of a solar system