Rside-10.1-Jayda

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Across
  1. 3. spacecraft which measured differences in the temperature of the cosmic microwave background
  2. 4. what is the explosion called that expanded the universe?
  3. 6. pattern of colors is called a?
  4. 8. energy carried by radiated waves
  5. 11. (cosmic background explorer)
  6. 12. this telescope is good for producing and recording spectra for examination during experiments
  7. 13. who discovered that galaxies were moving away from each other?
  8. 14. who discussed his theory with a Belgian priest?
  9. 15. is the transmission of energy in waves
  10. 16. Arno Penzias and Robert Wilson were? (think occupation)
  11. 18. what is the term used when describing how far away an object is in space?
  12. 20. (national aeronautics and space administration)
Down
  1. 1. "Hubble had estimated the distance from earth to 46" what? (direct textbook answer)
  2. 2. most powerful and useful invention to help astronomers
  3. 5. who invented the telescope?
  4. 7. these celestial objects radiate light waves, radio waves and X-rays
  5. 9. term for all objects in the sky
  6. 10. "Hubble noticed that the light of the galaxies he was studying showed" what? (direct textbook answer)
  7. 17. the galaxy we live in
  8. 19. approximately this many years ago is when the Big Bang happened