Universe Vocab Bailey Montgomery 6th

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Across
  1. 2. Galatic___-Rotational center of a huge galaxy.
  2. 3. The death of a large star by explosion.
  3. 4. Electromagnet___ Radiation consisting of electric and magnetic waves.
  4. 6. ___Spectrum-Vast arrangement of electromagnetic waves in relation to their wavelengths.
  5. 10. The distance between any two corresponding points that are adjacent on a wave.
  6. 12. All space and the matter space contains.
  7. 13. An instrument that collects light or other electromagnet radiation.
  8. 14. Beginning point at which something begins.
  9. 15. A large grouping of stars in space.
  10. 17. A object with more than 4 solar masses.
  11. 18. A self-leminous celestial body consisting of a mass of gas held together by its own gravity.
  12. 19. ___ Model-A representation of an object that is accurate in its proportions to the actual object.
  13. 20. ___ Waves-Electromagnetic waves with long wavelengths.
Down
  1. 1. Large cloud of gas and dust in interstellar space.
  2. 3. Areas of stars that spread out from the center
  3. 5. ___Data- Information obtained from experiments or observations that represent the qualitative.
  4. 7. Provide us with visible light spectrum.
  5. 8. Electromagnetic waves that are between radio waves
  6. 9. Big Bang___ A theory that says the universe begin as a small point that expanded rapidly.
  7. 10. Infrared___-Electromagnet waves with longer wavelengths than visible light.
  8. 11. A unit of length equal to the distance that light travels through space in 1 year.
  9. 16. Used to compare the size of other stars with our sun.