Chapter 28-29 - Emily Eckhardt
Across
- 3. found that almost every object that he could see was moving away from each other.
- 5. the protostar becomes a ____ when fusion in its core occurs.
- 6. form from stars at a very fast rate.
- 8. the most familiar galaxy is the ____
- 10. a star begins as a _____, which is a cloud of gas and dust.
Down
- 1. implies that the universe is expanding.
- 2. massive stars become _____.
- 4. the hot center of the nebula becomes a _____.
- 7. what remains when a supergiant star collapses into itself.
- 9. a huge assemblage of stars, interstellar gas, and dust.