Solar System Crossword

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Across
  1. 3. the smallest planet in the Solar System and the closest to the Sun
  2. 4. the fifth planet from the Sun and the largest in the Solar System.
  3. 7. A small body that floats through the solar system and turns into a meteor when it enters an atmosphere
  4. 10. the eighth planet from the Sun
  5. 12. A meteor that survives burning in space
  6. 15. small, rocky objects that orbit the Sun
  7. 16. the second planet from the Sun. It is sometimes called Earth's "sister" or "twin" planet as it is almost as large and has a similar composition
  8. 18. the sixth planet from the Sun and the second-largest in the Solar System
  9. 19. an artificial body placed in orbit around the earth or moon or another planet in order to collect information or for communication.
Down
  1. 1. frozen leftovers from the formation of the solar system composed of dust, rock, and ice.
  2. 2. galaxy A galaxy that does not have the clearly defined shape and structure of typical elliptical, lenticular, or spiral galaxies.
  3. 5. The planet on which we live
  4. 6. Natural satellite
  5. 8. A fixed illuminous point in the night sky
  6. 9. a small body of matter from outer space that enters the earth's atmosphere and begins to burn
  7. 11. the fourth planet from the Sun and the second-smallest planet in the Solar System
  8. 13. galaxy a type of galaxy with an approximately ellipsoidal shape and a smooth, nearly featureless image
  9. 14. the seventh planet from the Sun, and has the third-largest diameter in our solar system.
  10. 17. galaxy a galaxy in which the stars and gas clouds are concentrated mainly in one or more spiral arms.
  11. 18. Star at the center of the solar system that the planets orbit around