Across
- 2. shorter wavelengths
- 4. one of the first elements to form, atomic number 2
- 5. the force responsible for the creation of galaxies and stars
- 6. what all matter is made up of
- 8. made up of all matter and space that exists
- 9. The theory that the universe is always expanding and was once much denser
Down
- 1. what we use to observe CMB and light
- 3. longer wavelengths
- 4. one of the first elements to form, atomic number one
- 7. Leftover energy/particles from the creation of the universe