Pet

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Across
  1. 3. A large system of stars, gas, and dust held together by gravity
  2. 7. The sixth planet from the Sun known for its prominent rings
  3. 8. The fourth planet from the Sun in our solar system
  4. 9. An instrument used to view distant objects in space
  5. 11. A glowing ball of gas in space
  6. 13. The natural satellite that orbits around the Earth
Down
  1. 1. A vehicle designed for space travel
  2. 2. The force that pulls objects towards each other
  3. 4. The largest planet in our solar system
  4. 5. A large celestial body that orbits around a star
  5. 6. A vehicle used to launch spacecraft into space
  6. 10. Unidentified Flying Object, something seen in the sky that cannot be identified
  7. 11. The star that provides light and heat to our solar system
  8. 12. A creature from a different planet or world