freds solar system crossword

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Across
  1. 3. The motion of one object around another because of gravity
  2. 5. A large natural object that orbits a planet
  3. 8. Any object that orbits a planet or star
  4. 9. A ball of gas that releases light and heat
  5. 12. A planet made up mostly of icy materials
  6. 13. A planet made up mostly of gases
  7. 14. a type of chocolate
  8. 15. A half of the Earth
Down
  1. 1. Any phase when more than half of the sunlit side of the Moon can be seen
  2. 2. phase when less than half of the sunlit side of the Moon can be seen
  3. 4. When the Moon passes into the Earth's shadow
  4. 6. An attractive force between any two objects that have mass
  5. 7. A representation of an idea, object or system
  6. 10. A large space rock that orbits the Sun
  7. 11. A group of millions or billions of stars