Big Bang

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Across
  1. 4. origin of the universe
  2. 6. invented the hubble telescope
  3. 8. found in party balloons
  4. 9. helped form all the matter in the universe
  5. 10. used to study light
Down
  1. 1. all matter and energy that exists
  2. 2. pulls things together
  3. 3. left over energy from the big bang
  4. 5. made when stars implode
  5. 7. one of the most abundent materials