Aylanied5

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Across
  1. 2. cloud-of-gas-and-dust
  2. 4. fusion-of-H-and-HE
  3. 6. apparent-shift
  4. 8. no-shape
  5. 9. start-of-expansion
  6. 12. 6-trillion-miles
  7. 13. tells-us-galaxies-are-moving-away
  8. 14. squeezing-atoms-together
  9. 15. hottest-layers-of-atmosphere
  10. 17. the-raisins-spread-apart-as-the-
  11. 19. streams-of-charged-particles
Down
  1. 1. warm-rises,-cool-sinks
  2. 3. cooler-areas-on-surface
  3. 5. young-stars-in-the-arms,-old-stars-in-
  4. 7. collapsed-core-of-a-high-mass-star
  5. 10. collapsed-neutron-star,-no-light-escapes
  6. 11. loop-of-gas
  7. 16. bright-center-of-a-distant-galaxy
  8. 18. old-stars