keepers law elliott

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Across
  1. 4. planets Gas giants
  2. 6. Nebular Theory
  3. 8. layer
  4. 9. spectrum
  5. 10. system Star Sun
  6. 11. zone
  7. 12. Helium Sun’s core
Down
  1. 1. Tide
  2. 2. Nuclear fusion
  3. 3. period
  4. 5. Revolution
  5. 6. radiation
  6. 7. belt Gravity