Big Bang Theory

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Across
  1. 1. What happens to the color of an object in space when it is moving towards us
  2. 4. The study of space and everything closely related to it
  3. 6. A tool used to sort and record different frequencies of light
  4. 8. The famous scientist who helped give a better understanding of gravity
  5. 11. All matter and space that exists
  6. 12. The oldest microwaves in the universe leftover from the big bang
Down
  1. 2. Came up with the phrase "Big Bang"
  2. 3. The thing that all matter is composed of
  3. 5. The spectrum used to study light
  4. 7. Came up with the theory that galaxies are moving away from each other
  5. 9. The first subatomic particle to show up in the universe
  6. 10. What happens to the color of an object in space when it is moving away from us