Rside-10.1-Jayda

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