Across
- 1. Edwin _____ discovered that galaxies are spreading apart.
- 4. The Universe is constantly _____.
- 6. This theory explains how the Universe was “flattened”.
- 7. All of the _____ in the Universe was compacted into one small point before the Big Bang.
Down
- 2. The Universe was created about 15 _____ years ago.
- 3. All objects on Earth are made of _____.
- 5. This theory explains the beginning of the Universe.
