Across
- 4. a unit of measurement equal to 149.6 million kilometers
- 6. liquid heavy metals
- 7. a minute planet
- 9. layers of clouds
- 10. a geometrical figure that is a regular oval
Down
- 1. gas giants
- 2. cloud of ammonia same temp
- 3. the apparent motion of a planet
- 5. the quality of being eccentric.
- 8. what inner and outer planets are separated by