Across
- 3. The Earth does this around the sun
- 6. The reason we have day and night
- 7. We live on this planet
- 8. A rocket does this into space
Down
- 1. This is a group of stars.
- 2. The sun is a _____.
- 4. A person who travels to space is an ______.
- 5. Scientist use this to look at stars.
