Universe Vocab- Sydney Holland-8th

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Across
  1. 3. all space and matter space contains
  2. 7. distance between 2 corresponding points
  3. 8. between infrared and radio waves
  4. 9. _____ bang theory - a theory that says the universe began as a small point
  5. 11. lanes bands of dust that appear as dark ribbon
  6. 13. ____ spectrum- vast arrangement waves
  7. 17. ___ center- rotational center in the middle of the galxy
  8. 18. a mass of gas
  9. 19. Earth and planets revolve around this object
  10. 20. ____ rays waves that are very high
Down
  1. 1. _____ theories- unifying scientific explanations
  2. 2. large cloud of gas
  3. 4. ___ waves longer wavelengths than visible light
  4. 5. provide us with light
  5. 6. waves with long wavelengths
  6. 8. ____ -way galaxy - huge grouping of stars
  7. 10. the galaxy of a large star by explosion
  8. 12. instrument that collects light
  9. 14. transfer of energy, such as visible light
  10. 15. ____ -hole an object with more than four solar masses
  11. 16. beginning point which it derives
  12. 17. a large grouping of stars in space