Universe Vocab Shane Defreese 3rd period

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Across
  1. 3. how far light travels in 1 year
  2. 4. a change in wave lengths that tells us were there going
  3. 6. wavelengths are long and low
  4. 7. how fast light travels
  5. 9. A large grouping of stars in space
  6. 11. a chart with the color vs the brightness of stars
  7. 18. Rotational center of large galaxies
  8. 19. provide us with visible light spectrum
  9. 21. beginning point
  10. 22. a theory that states the universe expanded
  11. 23. all of space
Down
  1. 1. waves with a shorter visible wavelength than visible light
  2. 2. waves with longer wavelengths than visible light
  3. 5. An accurate representation of an actual object
  4. 8. emmited by the nucleus of a radioactive atom
  5. 10. a celestial body consisting of gas
  6. 12. scientific explanations used with a broad range of hypothesis
  7. 13. information obtained from a experiment
  8. 14. The death of a large star by explosion
  9. 15. used to look at the stars
  10. 16. Electromagnetic waves between radio and infrared
  11. 17. waves used in medical and astronomical applications
  12. 20. Dust that appears in dark ribbons