Across
- 3. Increasing in size.
- 5. Something that backed up the Big Bang Theory.
- 7. The name of the galaxy we live in.
- 8. The name of the planet we live on.
- 10. The study of the origin, future, and other aspects of the universe.
Down
- 1. The theory that the universe was created by a single huge explosion.
- 2. The force that attracts bodies to the center of a large mass.
- 4. The star we rotate around.
- 6. The entire space all around us.
- 9. Decreasing in size.