This Top Secret Galaxy can be accessed in Super Mario Galaxy only after completing the game in five different files. A Hungry Luma appears floating in the air directly above the Terrace and you have to feed him your a number of Star Bits that equals 50,000 minus your current TPM Postcount!
Blade's Blazing Galaxy is made from five blazing sun-like Planets, seven Planets called 'DBZ-Planets', one Poke Ball Planet like the one in Buoy Base Galaxy,
Missions
Establish This Thread
Make sure your Wii clock is at 30th of August 2012. Go to TPM and find this thread.
Wish Blademaster A Happy Birthday
Find Blademaster on the Pokeball Planet. He should be training this Blaziken there.
Collect The Dragonballs
Pick up all the seven Dragonballs from their respective DBZ Planets. Shenlong shall appear and grant you one Star.