The Stars and More

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Across
  1. 2. _____ stars have large lifespans.
  2. 4. ______ is the process in which the nuclei of hydrogen atoms fuse to create the nuclei of helium atoms.
  3. 5. Stars end in different ways depending upon their ____.
  4. 6. The hottest and brightest stars have the ________ mass.
  5. 7. ____ stars are the hottest stars.
  6. 10. A star begins in a cool, dark cloud of gases and dust called a ______.
  7. 11. ___ stars are the coolest stars.
Down
  1. 1. Stars that show up on the Hertzsprung-Russell diagram are called ____ ________ stars.
  2. 3. _____ are huge balls of hot glowing gases.
  3. 8. The coolest and dimmest stars have the _____ mass.
  4. 9. Our ___ is medium sized in temperature , mass, and brightness.