emma1

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Across
  1. 4. galaxy
  2. 7. bang start of expansion
  3. 9. apparent shift
  4. 11. cooler areas on surface
  5. 12. collapsed core of a high mass star
  6. 13. cloud of gas and dust
  7. 14. collapsed neutron star no light escapes
  8. 18. the raisins spread apart as the bread rises
  9. 19. warm rises cool sinks
Down
  1. 1. galaxy
  2. 2. stream of charged particles
  3. 3. loop of gas
  4. 5. galaxy
  5. 6. fusion of h and he
  6. 8. bright center of a distant galaxy
  7. 10. tell us galaxies are moving away
  8. 15. year 6 trillion miles
  9. 16. hottest layer of atmosphere
  10. 17. squeezing atoms together