Chapter 5: Stars and Galaxies

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Across
  1. 6. group of stars to which our solar system belongs to
  2. 7. how bring a star actually is
  3. 10. small, white, hot, dense star that remains after a nova
  4. 11. process by which particles combine to form a new particle
  5. 12. pattern of stars seen from earth
  6. 14. very small, very dense star that remains after a supernova
Down
  1. 1. distance that light travels in one year
  2. 2. group of billions of stars
  3. 3. how bright a star looks
  4. 4. region in space with tremendous gravity, caused by the collapse of a huge star
  5. 5. brilliant explosion of a collapsed red giant
  6. 8. star that has expanded after using up its hydrogen
  7. 9. brilliant explosion of a collapsed supergiant
  8. 13. everything that exists