Across
- 1. cluster of stars
- 3. scientist who gave us a better understanding of the universe
- 6. oldest microwave in the universe, extremely cold temperature
- 8. when stuff moves away in space
- 10. when stuff moves together in space
Down
- 2. tiny particles of matter,is what the universe is made up off
- 4. Is a theory that our universe is always getting bigger and that it was once much denser than it has been.
- 5. Energy left after the big bang
- 7. big flaming balls of hydrogen
- 9. made out of plants,mass,stars,etc