Solar System Crossword

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Across
  1. 3. the centre of solar system
  2. 4. a craft capable of traveling in outer space
  3. 5. a collection of star systems
  4. 7. the twin of the earth
  5. 10. a small celestial body composed of rock and metal
  6. 11. the closest planet to the sun
  7. 13. the largest planet in Solar System
  8. 15. the galaxy containing the solar system
Down
  1. 1. relating to the sun or utilizing the energies of the sun
  2. 2. a person trained to travel in a spacecraft
  3. 6. bands of light caused by charged solar particles
  4. 8. where we live in
  5. 9. any celestial body orbiting around a planet or star
  6. 12. the path of a celestial body in its revolution about another
  7. 14. a celestial body that revolves around the sun