Across
- 2. a celestial body orbiting a star
- 5. relating to the sun
- 7. a profession where you explore space
- 9. a group of people settling into somewhere new
- 11. something only living organisms have
Down
- 1. a rock that orbits objects
- 3. a life-sized toy car to explore mars
- 4. something made up of many solar systems
- 6. 4th planet from the sun
- 8. what air is made from
- 10. an object revolving around another