Space Crossword Puzzle

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Across
  1. 2. giant star
  2. 3. Vechile used for traveling in space
  3. 5. Someone who travels in space
  4. 6. System system of a Sun and objects that move around it
  5. 10. celestial body that orbits the sun
  6. 11. giant balls of hot gas
  7. 13. something that can't be classified as a planet
  8. 14. cosmic snowballs of frozen gases, rock, and dust
Down
  1. 1. giant cloud of dust and gas in space
  2. 3. cosmic dust, small particles floating in space
  3. 4. the uppermost portion of the Sun's atmosphere
  4. 7. invisible force that pulls objects toward each other
  5. 8. Collection of gas, dust, and billions of stars
  6. 9. lumps of rock or iron
  7. 12. space vehicle or missle
  8. 15. a smaller body that revolves around a planet