Across
- 3. the galaxy we are in
- 4. what the planets orbit
- 8. planet with rings
- 9. largest planet
Down
- 1. hottest planet in the solar system
- 2. only appears at night
- 3. orbits earth
- 5. named after god of the sea
- 6. dwarf planet that used to be considered a planet
- 7. most of them we cannot detect