Chapter 28-29 - Emily Eckhardt

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