Solar System Crossword Puzzle

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Across
  1. 4. The planet with the moons Phobos and Deimos.
  2. 5. The 8th and furthest planet from the Sun
  3. 9. One turn around the Sun that equals 365 days is called?
  4. 10. Covers 70% of the Earth's surface
Down
  1. 1. What is the Sun?
  2. 2. A small, icy object that orbits the sun and has a long "tail" of gas
  3. 3. The center of our solar system.
  4. 6. The number of planets in our solar system
  5. 7. This is Earth's satellite.
  6. 8. No longer officially considered a planet