Universe Vocab-Givran Nino 4th

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Across
  1. 5. space and the matter space contains
  2. 6. how fast light travels 300,000km/sec
  3. 8. a self-luminous celestial body consisting of gas
  4. 9. electric,magnetic waves travel at speed of light
  5. 16. instrument that collects light
  6. 18. transfer of energy through matter or space
  7. 19. waves with long wavelengths and low frequencies
  8. 20. a large grouping of stars in space
  9. 21. celestial body which earth and other planets revolve
Down
  1. 1. provide us with visible light spectrum
  2. 2. information obtained from experiments
  3. 3. distance between any two corresponding points
  4. 4. bands of dust that appear as dark as ribbon
  5. 6. stars that spread from center of spiral galaxy
  6. 7. universe began as a small point
  7. 10. waves with longer wavelengths than visible light
  8. 11. large cloud of gas and dust
  9. 12. distance that light travels through space in 1 year
  10. 13. waves with very high energy and no mass
  11. 14. waves between radio waves and infrared waves
  12. 15. death of a large star by explosion
  13. 17. point where something begins