SPACE

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Across
  1. 3. A piece of space rock that burns up in Earth's atmosphere
  2. 4. A huge grouping of stars
  3. 5. A vehicle designed for travel in space
  4. 10. Has rings made of ice and dust
  5. 11. The largest planet in our solar system
  6. 12. The path an object takes around another
  7. 18. The seventh planet from the sun
  8. 19. An instrument used to observe distant objects in space
  9. 20. A person who travels in space
Down
  1. 1. A celestial object with a tail
  2. 2. The Red Planet
  3. 6. A group of stars that form a pattern
  4. 7. An object that orbits a planet
  5. 8. The center of our solar system
  6. 9. Earth's natural satellite
  7. 13. A cloud of gas and dust in space
  8. 14. An explosion that occurs when a star runs out of fuel
  9. 15. hole An object with such strong gravity that nothing can escape it
  10. 16. A space telescope named after astronomer Edwin Hubble
  11. 17. The hottest planet in our solar system