Jack B P8

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Across
  1. 2. galaxy stars are all young
  2. 6. gas and dust
  3. 9. collapsed core
  4. 10. stream of charged particles
  5. 14. Rasins spread apart
  6. 15. start of expansion
  7. 16. apparent shift
  8. 17. cooler areas on surface
Down
  1. 1. warm rises cool sinks
  2. 3. hottest layer of sun
  3. 4. 9 trillion miles year in light traviling distance
  4. 5. squessing atoms together
  5. 7. distand galaxy center
  6. 8. sequence that fuse hydrogen and helium
  7. 11. galaxies move away
  8. 12. galaxy Stars all over
  9. 13. loop of gas
  10. 15. collapsed neutron star
  11. 17. galaxy with old stars in center