Theories of the universe

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Across
  1. 5. the space between stars and galaxies
  2. 6. the further they are the faster the moving
  3. 7. commonly referred to as CMB
  4. 8. refers to the types of elements in given object
  5. 11. when a light source is moving away from us
Down
  1. 1. provides crucial evidence of composition of matter
  2. 2. supports the big bang theory
  3. 3. when light moves away from observer
  4. 4. explanation for how the universe began
  5. 9. when light moves closer to observer
  6. 10. the universe has always existed