Across
- 3. left over radiation from big bang
- 4. of galaxies 1st evidence that supports big bang
- 5. particles Proton, Neutron, Electron
- 6. Bang Theory of how the universe was made
- 7. Composition What something is made of
- 8. shift Light waves
Down
- 1. all of space time and matter
- 2. spectrum What is used to study light
- 3. of the universe Second piece of evidence that supports big bang
- 6. shift Light waves
