Across
- 3. Hubble, Who discovered the thought of the universe
- 4. The theory says that our universe may not be the only one to exist, and there could be one to tons of more universes out there
- 6. twenty five, When was the theory created
- 8. the thing inside the universe that consists of stars, space, solar systems, dark energy, and many other things
Down
- 1. billion years ago, when did the universe begin
- 2. made of billions of galaxies
- 5. Quadrillion, How many universes are there
- 7. Way, What galaxy do we live in