The Universe Valerie Rodriguez

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Across
  1. 1. Electromagnetic waves that are very high energy and are used in medical and astronomical applications
  2. 3. Rotational center of a huge galaxy such as the Milky Way
  3. 8. Provide us with visible light spectrum, the colors we see
  4. 9. Large cloud of gas and dust in interstellar space
  5. 10. The huge grouping of stars that rotate around a center of which the Sun and the solar system are a part
  6. 13. Galaxy with a central bulge or bar with short arms
  7. 14. Areas of stars that spread out from the center of a spiral galaxy
  8. 17. A plot of the surface temperature(color) of stars vs their luminosity(brightness)
  9. 22. Electromagnetic waves with a shorter wavelength than a visible light
  10. 23. How fast light travels, 300,000km/sec
  11. 24. Used in astronomy as a standard unit to compare the size of other stars with our Sun
  12. 26. The change in wavelength that allows us to determine if an object is moving toward us or away from us
  13. 27. Electromagnetic waves with long wavelengths and low frequencies
  14. 28. A representation of an object that is accurate in its proportion to the actual object
  15. 29. The distance between any two corresponding points that are adjacent on a wave
  16. 30. The transfer of energy through matter or space as electromagnetic waves, such as visible light and infrared waves
Down
  1. 2. A galaxy with bulge in the center and very distinct long arms winding around the center
  2. 4. Radiation consisting of electric and magnetic waves that travel at the seed of light
  3. 5. Electromagnetic waves with longer wavelengths than visible light
  4. 6. The luminous celestial body around which the Earth and the other planets revolve
  5. 7. Bands of dust that appear as dark ribbons against the bright stars in galaxy
  6. 11. A self luminous celestial body consisting of a mass of gas held together by its own gravity in which the energy is generated by nuclear reactions in interior
  7. 12. Vast arrangement of electromagnetic waves in relation of their wavelengths
  8. 15. A galaxy that does not fit into any category
  9. 16. Electromagnetic waves that are between radio waves and infrared waves in the electromagnetic spectrum
  10. 18. The death of a large star by explosion
  11. 19. A galaxy with a bright center and very little dust or gas
  12. 20. A large grouping of stars in space
  13. 21. All space and the matter space contains
  14. 25. An object with more than four solar masses squeezed into a ball only 10 km across whose gravity is so strong that even light can not escape