Across
- 4. __ Galilei, an astronomer
- 7. a person aboard a spacecraft
- 8. the planet closest to the Sun
Down
- 1. the planet with the most number of rings
- 2. a galaxy that includes our Solar System
- 3. to describe something measured from the centre of the earth
- 5. a dwarf planet
- 6. a group of stars that appears to form a pattern or picture
- 9. similar to 'spaceship'