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