Across
- 3. ______ effects the expanding of the universe
- 4. left over radiation from the big bang
- 6. you can also measure the age of the universe to calculate the _______ from Earth to various galaxies
- 7. the whole universe was created by the ______
Down
- 1. scientists believe the universe will ______ forever
- 2. our solar system is in a _________
- 4. study of the origin of the universe
- 5. you can measure the age of our ______ to calculate the age of the universe