Across
- 2. Star at the center of solar system
- 5. Used to look at far away objects
- 6. Largest planet in our solar system
- 7. a collection of solar systems
- 8. Someone who goes into space
Down
- 1. Has 8 phases
- 2. Gas giant with rings
- 3. one of two gases found in gas giants
- 4. Used for travel in space