Universe- Tealie Gaudet- 6

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Across
  1. 2. large cloud of gas
  2. 4. bands of dust that appear as dark ribbons against bright stars
  3. 9. the universe began as a small point and expanded rapidly
  4. 12. information taken from experimnets
  5. 14. large group of stars in space
  6. 16. the death of a large star by explosion
  7. 20. the distance that light travels through space in a year
  8. 21. a galaxy that does not fit into any category
Down
  1. 1. instrument that collects light
  2. 3. the transfer of energy
  3. 5. all space and matter space contains
  4. 6. beginning which something begins
  5. 7. stars that spread out from the center of a spiral galaxy
  6. 8. rotational center of a huge galaxy
  7. 10. provide us with the colors we see
  8. 11. waves between radio and infrared waves
  9. 13. electromagnetic waves with longer wavelenghts than visible light
  10. 15. self lumnious body of gas
  11. 17. light travels at 300,000km/sec
  12. 18. a representation of an object
  13. 19. a ball only 10 km across and strong gravity
  14. 22. standard unit to compare the size of stars with our Sun