Across
- 3. The universe getting bigger
- 7. Invisible matter that affects gravity
- 8. Everything that exists
- 9. Large systems of stars and dust
- 10. Anything that has mass and takes up space
Down
- 1. To discover or identify something
- 2. Ability to do work or cause change
- 4. Another word for the universe
- 5. Force causing the universe to expand faster
- 6. A force that pulls objects together