Lifecycle of a Star

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Across
  1. 2. Hydrogens fuse to form this
  2. 4. This is a cloud of gas and dust where a star is born
  3. 6. This is the stage where the nebula has condensed and got hotter, but fusion hasn't begun
  4. 8. This is the element stars use for fuel
  5. 10. This is the remains after supernove of the largest stars- so massive light can't escape
  6. 12. This is leftover when large stars undergo supernova
Down
  1. 1. The explosion of a massive star
  2. 3. This is the process that makes energy for stars
  3. 5. This is a "midlife" star
  4. 7. This is a small star at the end of its life
  5. 9. When a star swells, but becomes cooler
  6. 11. This is the property that determines the pathway of a stars lifecycle