Across
- 5. What is the “left over heat” from the explosion at the start of the universe?
- 8. What force could stop the expansion?
- 9. Galaxies are part of galaxy _____.
Down
- 1. What is the theory of the origin of the universe that believes that the universe started as a single point?
- 2. The distances from Earth to other galaxies can help determine the Rate of _______.
- 3. The future of the universe depends on how much _____ it contains.
- 4. As galaxies drift farther apart, ____ stop forming.
- 6. All objects in the universe are part of a _____.
- 7. The study of the origin, future, and structure of the universe.