Big Bang Vocab

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Across
  1. 4. makes up all space and matter as a whole
  2. 5. shift this happens to stars when they are travelling away from earth
  3. 7. keeps us on earth
  4. 8. scientists use this to study light
  5. 10. the start of the universe
Down
  1. 1. systems of millions or billions of stars
  2. 2. unable to be created or destroyed
  3. 3. lightest member of the noble gas
  4. 6. substance that cannot be broken down into a simpler format
  5. 9. the universe is constantly doing this