Space Explorer

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Across
  1. 1. - A vast system of stars, gas, and dust bound together by gravity.
  2. 4. - Relating to the universe or cosmos.
  3. 7. - A celestial object made of ice and dust that orbits the sun.
  4. 8. - A cloud of gas and dust in space.
  5. 9. - A celestial body that orbits a star.
  6. 10. - A massive, luminous celestial object.
  7. 11. - Relating to the sun.
  8. 12. - A vehicle designed for space travel.
  9. 14. - A vehicle that uses propulsion to travel through space.
  10. 15. - The vast, empty regions of space.
Down
  1. 2. - A small, rocky object that orbits the sun.
  2. 3. - A person who travels in space.
  3. 5. - Earth's natural satellite.
  4. 6. - The path an object takes as it goes around another object in space.
  5. 10. - An object that orbits a planet or other celestial body.
  6. 12. - A special suit worn by astronauts for protection in space.
  7. 13. - An extraterrestrial being from another world.