Across
- 3. He also found that the farther away the galaxies were, the faster they were moving.
- 8. 13.8 ______ years ago, the Universe was very, very dark and quiet.
- 9. All of the matter in the Universe was condensed into a ____ _____.
- 10. Then one day, all the matter in that space started to _______ ___.
- 11. These clouds of gases and particles (and a lot of ______)
Down
- 1. ___, dust and particles rapidly started spreading out everywhere.
- 2. In 1929, Edwin _____ discovered that other galaxies are moving away from us, proving that Lemaitre’s idea was correct.
- 4. _____________ started spinning, and they formed galaxies, stars, planets, and everything we know.
- 5. That space was extremely, unimaginably _____.
- 6. This idea was formulated in 1927 by an astronomer named George ________.
- 7. The universe is still spreading out today.