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Across
  1. 3. The disntance that light travels
  2. 5. A star that has collapsed
  3. 7. Space and all the matter and energy in it
  4. 8. A small hot dim star
Down
  1. 1. A collection of stars
  2. 2. All of the frequencies
  3. 4. A large cloud of gas and dust
  4. 6. A gianganti explosion
  5. 9. Diagram A graph that shows the relations ship between stars