Supernova

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Across
  1. 1. what stars are mostly made out of
  2. 3. Force that pulls objects together
  3. 4. impact The most accepted theory on how the moon was formed
  4. 7. Earths natural satellite
  5. 8. An object with gravity so strong that light cannot get past it
  6. 10. what stars create
  7. 11. someone that goes to outer space
  8. 12. suit outfit that Astro wear to go outer space
  9. 14. A massive explosion when a star dies
  10. 15. Transport astronauts use to go to outer space
Down
  1. 2. A small rocky object that orbits the sun
  2. 5. How hot or cold an object is
  3. 6. Another name for our moon
  4. 9. Center of the star
  5. 13. A body that orbits the star