Universe Vocab-Katherine Watson-6th

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Across
  1. 3. information obtained from experiments or observations
  2. 5. all space and matter space contains
  3. 6. provide us with visible light spectrum
  4. 8. how fast light travels
  5. 9. a instrument that collects light and concentrates it for better observation
  6. 13. radiation consisting of electric and magnetic waves
  7. 15. a large grouping of stars in space
  8. 16. electromagnetic waves between radio waves
  9. 17. a theory that says the universe began as a small point then rapidly expanded
  10. 19. the death of a large star by explosion
  11. 20. a luminous celestial body which the plants revolve around
  12. 21. large cloud of ash and dust
Down
  1. 1. the transfer of energy though matter or space as electromagnetic waves
  2. 2. beginning point at which something begins
  3. 3. a galaxy with bulge in the center
  4. 4. the distance between two corresponding points
  5. 7. a representation of an object that is accurate in its proportions
  6. 10. a huge grouping of stars that rotate around a center
  7. 11. electromagnetic waves that are very high energy
  8. 12. a unit of length equal to the distance that light travels though space in 1 year
  9. 14. electromagnetic waves with longer wave lengths than visable light
  10. 18. electromagnetic waves that are very high energy and no mass or charge