The Stars and More

2. _____ stars have large lifespans.
4. ______ is the process in which the nuclei of hydrogen atoms fuse to create the nuclei of helium atoms.
5. Stars end in different ways depending upon their ____.
6. The hottest and brightest stars have the ________ mass.
7. ____ stars are the hottest stars.
10. A star begins in a cool, dark cloud of gases and dust called a ______.
11. ___ stars are the coolest stars.

1. Stars that show up on the Hertzsprung-Russell diagram are called ____ ________ stars.
3. _____ are huge balls of hot glowing gases.
8. The coolest and dimmest stars have the _____ mass.
9. Our ___ is medium sized in temperature , mass, and brightness.