THE SOLAR SYSTEM

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Across
  1. 2. The study of the structure and evolution of the universe
  2. 4. The study of celestial objects and phenomena
  3. 6. A region past Neptune containing many small icy bodies
  4. 7. The red planet
  5. 8. A natural satellite that orbits a planet
  6. 12. The moon passes in front of the sun, blocking its light
  7. 14. largest planet in the solar system
Down
  1. 1. The gravitational pull of a celestial body is so strong that nothing can escape
  2. 3. A small, icy celestial body that orbits the sun and develops a "tail"
  3. 5. A device used to observe distant objects in space
  4. 9. A large cloud of gas and dust in space
  5. 10. A type of star that has used up its fuel and has collapsed
  6. 11. A sudden burst of energy and light from the sun's surface
  7. 13. A large, gaseous planet with a distinct set of rings