Sweet Sweet Galaxy

Sweet Sweet Galaxy is the first Hungry Luma galaxy encountered in Super Mario Galaxy.

This galaxy's floors and walls are made up of various candies and chocolates, while being littered with less tasty electric gates.

List of Stars

Sweet Sweet Galaxy is accessible after collecting 7 stars and feeding 400 star bits to the Hungry Luma outside of the Terrace.

List of Galaxies in Super Mario Galaxy
Terrace	Good Egg Galaxy ~ Honeyhive Galaxy ~ Loopdeeloop Galaxy ~ Flipswitch Galaxy ~ Bowser Jr.'s Robot Reactor
Fountain	Space Junk Galaxy ~ Rolling Green Galaxy ~ Battlerock Galaxy ~ Hurry-Scurry Galaxy ~ Bowser's Star Reactor
Kitchen	Beach Bowl Galaxy ~ Bubble Breeze Galaxy ~ Ghostly Galaxy ~ Buoy Base Galaxy ~ Bowser Jr.'s Airship Armada
Bedroom	Gusty Garden Galaxy ~ Freezeflame Galaxy ~ Dusty Dune Galaxy ~ Honeyclimb Galaxy ~ Bowser's Dark Matter Plant
Engine Room	Gold Leaf Galaxy ~ Sea Slide Galaxy ~ Toy Time Galaxy ~ Bonefin Galaxy ~ Bowser Jr.'s Lava Reactor
Garden	Deep Dark Galaxy ~ Dreadnought Galaxy ~ Matter Splatter Galaxy ~ Melty Molten Galaxy
Gate	Gateway Galaxy
Comet Observatory	Sweet Sweet Galaxy ~ Sling Pod Galaxy ~ Drip Drop Galaxy ~ Bigmouth Galaxy ~ Sand Spiral Galaxy ~ Boo's Boneyard Galaxy ~ Snow Cap Galaxy ~ Bowser's Galaxy Reactor
Planet of Trials	Rolling Gizmo Galaxy ~ Loopdeeswoop Galaxy ~ Bubble Blast Galaxy ~ Grand Finale Galaxy