Across
- 2. named after the roman goddess of love and beauty
- 3. explorers who travel into outerspace
- 5. Saturn is known for these and they are made up of ice and dust
- 7. the largest of these is at the center of Uranus
Down
- 1. four planets closest to the sun
- 4. all planets orbit around this
- 6. also the name for a chemical used in old thermometers
- 8. the only planet capable of sustaining life