Nebular Hypothesis

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Across
  1. 2. – Scientific proposal
  2. 4. – Planetary creation
  3. 7. – Small celestial body
  4. 10. – The planet we live on
  5. 11. – Force that pulls objects
  6. 13. – Historical timeline
  7. 14. System – Our star system
Down
  1. 1. – Growth by accumulation
  2. 3. – Developing young planet
  3. 5. – Space particles
  4. 6. – Collapse under gravity
  5. 8. – Scientist Pierre-Simon ___
  6. 9. – Philosopher Immanuel ___
  7. 11. – Nebula component
  8. 12. – Cloud of gas and dust