ESS CROSSWORD

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Across
  1. 4. cluster of stars
  2. 5. Energy left after the big bang
  3. 8. when stuff moves away in space
  4. 9. oldest microwave in the universe, extremely cold temperature
  5. 10. Is a theory that our universe is always getting bigger and that it was once much denser than it has been.
Down
  1. 1. tiny particles of matter,is what the universe is made up off
  2. 2. when stuff moves together in space
  3. 3. scientist who gave us a better understanding of the universe
  4. 6. big flaming balls of hydrogen
  5. 7. made out of plants,mass,stars,etc