Across
- 1. Galaxies move away from other galaxies
- 3. All existing matter in space
- 4. The theory that suggests that our universe is denser then it is now
- 7. One of the 2 elements that make up most of the elements(25%)
- 8. A system of millions of billions of stars together with gas and dust held together by gravitational attraction
- 9. The universe was full of it
Down
- 2. One of the 2 elements that make up most of the elements(73%)
- 4. Galaxies move towards other galaxies
- 5. Left over radiation from the Big Bang
- 6. Used to study light