Across
- 3. 25% of Neptune composition
- 5. Date Neptune was discovered
- 6. Neptune has five of these
- 7. 60-70% of Neptune's composition
- 9. Other scientist to discover Neptune
- 14. One of the scientist to discover Neptune
- 15. Planet that invade Neptune's orbit
- 16. Consist of water, ammonia, and methane ices
- 17. Neptune originally formed next to the _____ but then moved
Down
- 1. How long The planet stays in Neptune's orbit
- 2. This was discovered by mathematical predictions
- 4. What are the rings made up of
- 8. 5-15% of Neptune's composition
- 10. Not_____ to naked eye without telescope
- 11. Substance the rings are possible coated in
- 12. How long it takes to return into Neptune's orbit.
- 13. Consist of iron and magnesium