Across
- 4. first element created
- 7. abbr. for energy left over from the big bang
- 8. widely accepted theory of the origin of the universe
- 9. when a galaxy is moving away from you
Down
- 1. when a galaxy is moving towards you
- 2. includes all visible and non visible light
- 3. the force responsible for the creation of galaxies and stars.
- 4. scientist who discovered red and blueshifts
- 5. first subatomic particles in the universe
- 6. scientist who created the theory of relativity