Deep Space

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Across
  1. 7. A strange "object" that forms via gravity
  2. 10. The range of both visible and invisible light
  3. 11. When a star has completely exhausted its source of fuel
  4. 13. The majority of a star's life
  5. 14. A diagram of Stars showing the relationship between light and temperature
  6. 15. A man-made object that floats in space
Down
  1. 1. A large explosion when a star dies
  2. 2. The border of a large gravitational object
  3. 3. A form of a star that has cooled and expanded
  4. 4. A measure of how bright a star is
  5. 5. Leftovers of the early universe
  6. 6. A force that pulls all objects
  7. 8. Proof that the universe is growing
  8. 9. A cloud of gases/dust often housing new stars
  9. 12. A tendency of not wanting to stop