Across
- 5. - the particle which stops a white dwarf from collapsing.
- 8. - forces in balance
- 10. Large core of gas and dust
- 11. - the stage of a star where hydrogen is being fused
- 14. - Final Evolution of our Sun
- 16. - the process of turning the cloud of dust and gas into a small ball
- 17. - one of the 4 fundamental forces
Down
- 1. - The lightest element in the Universe
- 2. - the American astronomer who helped make the HR diagram
- 3. - x-axis on an HR diagram
- 4. - the heaviest element made in the core of a supergiant
- 6. - unit for temperature
- 7. - how elements heavier iron are created
- 9. - areas of space and dust
- 12. - unit for comparison with other objects in the solar system
- 13. - y-axis on an HR diagram
- 15. - the type of reactions that take place within a star