the universe madison nolan

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Across
  1. 4. vast arrangement of electromagnetic waves in relation to their wavelengths
  2. 6. the huge grouping of stars
  3. 7. a galaxy with bulge in the center and very distinct long arm winding around the center
  4. 9. electromagnetic waves with long low frequencies
  5. 10. large cloud of gas and dust in interstellar space
  6. 12. the death of a large star by explosion
  7. 13. electromagnetic waves with longer wavelengths than visible light
  8. 15. a galaxy with a bright center and very little dust or gas
  9. 18. provide us with visible light
  10. 19. bands of dust that appear as dark ribbons
  11. 20. a galaxy that does not fit into any category
  12. 22. a large grouping of stars in space
  13. 25. galaxy with a central bulge or bar with short arms if any are present
Down
  1. 1. used in astronomy as a standard unit to compare the size of other stars with our sun
  2. 2. radiation consisting of electric and magnetic waves
  3. 3. a plot of the surface temperature (color)of stars
  4. 5. electromagnetic waves that are between radio waves and infrared waves in the electromagnetic spectrum
  5. 8. a self luminous celestial body consisting of a mass of gas held together by gravity
  6. 11. rotational center of a huge galaxy such as the milky way
  7. 14. the luminous celestial body around which the earth and other revolve
  8. 16. the transfer of energy through matter or space as electromagnetic waves such as visible light waves
  9. 17. an object with more than four solar masses squeezed into a ball
  10. 21. a representation of an object that is accurate in its proportions to the actual object
  11. 23. the distance between any two corresponding points that are adjacent on a wave
  12. 24. areas of stars that spread out from the center of a spiral galaxy
  13. 26. all space and the matter space contains
  14. 27. how fast light travels