Across
- 4. it is like Earth places where remarkable things happen.
- 6. it is the birth of new elements out into the cosmos.
- 7. it is a event that when the star lacks the outpouring energy the star
- 10. it can be large and made of gasses, or smaller and rocky, like our Eart.
- 13. it brought together individual hydrogen and helium atoms to form gas clouds.
- 14. it is complex than a star.
- 16. it bounce off the iron core, hurtling outward into space.
- 18. that result in new chemical elements.
- 19. it is a process where stars start to created new elements,
- 20. it answers the questions of our universe, planet, life, humanity.
Down
- 1. it is formed galaxies.
- 2. it is from a formed stars.
- 3. cannot be fused further.
- 5. it eventually became planet.
- 8. play an important role in the daily lives of many people.
- 9. it has billions and billions of long-lasting energy sources.
- 11. Conditions enable life on Earth to exist.
- 12. it is a kind of galaxy that formed superclusters.
- 15. it is from the clouds of atoms left behind.
- 17. begin to light up all over the Universe.