Metroid Prime 3: Corruption Tips

I can has map now?
The chozo observatory has uses beyond looking pretty. By using the spiderball tracks on the upper AND lower levels, you can unlock map upgrades for all four planets (Bryyo, Norion, Elysia, and the Pirate Homeworld). This upgrade will allow you to see suit upgrades on the map for you to collect and make getting 100% that much easier.