Under The Stars

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Across
  1. 5. The Belief in Star Signs
  2. 7. This has four major phases
  3. 8. The second smallest planet
  4. 11. Used to be considered the ninth planet
  5. 12. Everything Outside the Earth's Atmosphere
  6. 14. A Minor Planet
  7. 15. The Hottest Planet
Down
  1. 1. A Collections of Billions of Stars
  2. 2. The Study of Stars
  3. 3. A Streak of Light in the Sky
  4. 4. A planet with with the most visible rings
  5. 6. The Largest Planet in the Solar System
  6. 9. The Sun is the closet one of these to the Earth
  7. 10. Also known as Star Signs
  8. 13. The Planet We Live On