The Solar System

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Across
  1. 2. A small icy body that develops a tail when close to the Sun
  2. 6. Formerly the ninth planet, now classified as a dwarf planet
  3. 7. Known as the Red Planet
  4. 9. The force that keeps planets in orbit
  5. 10. Known for its prominent ring system
  6. 12. The closest planet to the Sun
  7. 14. A space rock that burns up in Earth's atmosphere
  8. 16. Earth's natural satellite
  9. 17. The farthest planet from the Sun
Down
  1. 1. Earth's "sister" planet, similar in size but extremely hot
  2. 3. The largest planet in the solar system
  3. 4. A large system of stars, such as the Milky Way
  4. 5. A tool used to observe distant objects in space
  5. 8. The path a planet takes around the Sun
  6. 11. The star at the center of our solar system
  7. 13. A gas giant with a sideways rotation
  8. 15. The only planet known to support life