Science Class

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Across
  1. 2. rises
  2. 4. Galaxy Spiral shape
  3. 5. Warn rises cool sinks
  4. 7. Squeezing atoms together
  5. 9. Apparent shift
  6. 10. Cooler areas on surface
  7. 13. Cloud of gas and dust
  8. 15. Galaxy No shape
  9. 16. Sequence Fusion of H2 and he
  10. 17. Galaxy Egg shaped
  11. 18. effect Tell tells us galaxies are moving away
Down
  1. 1. Star Collapsed core of a high mass star
  2. 3. Hole Collapsed neutron star no light
  3. 6. Hottest layer of atmosphere
  4. 8. Bright center of a distant galaxy
  5. 9. Loop of gas
  6. 11. Wind Stream of changed particles
  7. 12. Bang Start of expansion
  8. 14. dough theory The raisins spread apart as the
  9. 19. Year A trillion miles