Solar System

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Across
  1. 4. When an object spins on its axis.
  2. 5. A smaller object that moves around a planet.
  3. 7. The sun and everything that moves around it.
  4. 11. A bright ball of hot gases in space.
  5. 12. The path an object takes around a star or planet.
  6. 13. A large round object that moves around a star.
Down
  1. 1. A huge group of stars, planets, and gas in space.
  2. 2. A rocky object that moves around the sun.
  3. 3. An invisible line that an object spins around a planet.
  4. 4. The movement of one object around another.
  5. 6. A space object with a bright tail made of ice and dust.
  6. 8. A person who travels to space.
  7. 9. The star at the center of our solar system
  8. 10. The force that pulls things towards a planet.