Buoy Base Galaxy
The Buoy Base Galaxy is a galaxy that appears in Super Mario Galaxy. The galaxy contains a large fortress floating atop a large, semispherical pool of water. Mario has to climb this fortress in order to get the main Power Star in this galaxy.
Buoy Base (Starting Planet)
The Buoy Base is the main part of the Buoy Base Galaxy that consists of a large pool of water and an area above it which contains many obstacles, including Topmen, Thwomps, and Amps. The main objective of this part of the planet is to collect five blue Star Chips to form a Pull Star leading to a sphere planet filled with water. Submerged in the large pool of water at the bottom of the planet are multiple Bill Blasters and Torpedo Teds. A secret caged Warp Pipe in the pool of water leads to the underside of the planet, where more Bill Blasters and a cage containing a Green Power Star can be found.
Water Sphere Planet
The Water Sphere Planet is a giant sphere filled with water above the Buoy Base. It has a screw on it that Mario must Star Spin to open the planet and retrieve a power star inside of it and also two pulse-wave generating machines, one of which is actually the screw. It is remarkably small in comparison to the Buoy Base and is similar (or a possible reference) to a Poké Ball.
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