Harry's in Space!

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Across
  1. 4. Very large groups of stars that make up universe
  2. 5. Travel between galaxies
  3. 7. Titan moon orbits this planet
  4. 11. Tool that makes far away objects look closer
  5. 13. When celestial object blocks another celestial
  6. 14. Bright explosion of a star
  7. 15. The path of a celestial body as it moves through space
Down
  1. 1. Oldest planet in our solar system
  2. 2. A mutual physical force of nature that causes two bodies to attract each other
  3. 3. Brightest planet in the night sky
  4. 6. A grouping of stars that make an imaginary picture in the sky
  5. 8. A person from another planet
  6. 9. Name for a meteoroid that lands on a planet
  7. 10. A distance equal to 1000 parsecs
  8. 12. A dwarf planet between Mars and Jupiter