Crossword puzzle Collin Sisk

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Across
  1. 3. Rotational center of a huge galaxy such
  2. 5. large cloud of gas and dust in interstellar space
  3. 6. A plot of the
  4. 14. location of star formation.
  5. 15. little dust or gas.
  6. 16. a spiral galaxy.
  7. 18. the milky way galaxy.
  8. 19. A representation of an object that is
  9. 21. Electromagnetic waves with long wavelengths
  10. 23. the bright stars in a galaxy.
Down
  1. 1. Bands of dust that appear as dark ribbons
  2. 2. The death of a large star by explosion.
  3. 4. Vast arrangment of electromagnetic
  4. 7. A galaxy with a bright center and
  5. 8. How fast light travels 300,000km/sec.
  6. 9. All space the matter space contains.
  7. 10. Areas of stars that spread out from the center
  8. 11. travels through space in 1 year.
  9. 12. in its proportions to the actual object.
  10. 13. low frequencies.
  11. 17. A large grouping of stars in space.
  12. 20. A unit of length equal to the distance that
  13. 22. in relation to their wavelengths.