Discovering New Worlds

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Across
  1. 4. One element that makes up the Sun.
  2. 6. A gas cloud in space.
  3. 9. The phase that occurs when a star runs out of Hydrogen.
  4. 10. The outcome of low mass stars.
  5. 11. The longest phase of a star's life.
  6. 14. Another possible outcome of a high mass star.
  7. 16. The explosion of a star.
  8. 17. Another element that makes up the Sun.
Down
  1. 1. How the Sun creates energy.
  2. 2. The lowest mass stars. The Closest star to Earth after the Sun is one.
  3. 3. The lifespan of a high mass star.
  4. 5. Forces are balanced.
  5. 7. The lifespan of a low mass star.
  6. 8. A push or a pull.
  7. 12. One possible outcome of a high mass star.
  8. 13. The inward pulling force in a star.
  9. 15. Where fusion occurs in a star.