Stars

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