The Solar System

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Across
  1. 6. When it is summer in the northern hemisphere, it is _________ in the southern hemisphere
  2. 10. The spinning movement of Earth on its axis
  3. 11. The only planet that can sustain life
  4. 12. When a celestial object blocks the light of another celestial object
  5. 13. The 5th planet in our Solar System
  6. 15. The study of space and the objects in it
Down
  1. 1. Mass x Gravity = ?
  2. 2. A blue planet that has rings
  3. 3. Stars, moons, and comets are ___________ objects
  4. 4. The fist moon phase where the moon is not visible
  5. 5. Early civilizations believed in a ________ Earth
  6. 7. This star is also known as Polaris
  7. 8. The planet that is famous for its rings
  8. 9. Separates the inner and outer planets
  9. 14. A large, rocky object in space
  10. 16. The smallest planet in our Solar System