No
6.
You get every green star.
If you have a super Mario galaxy save, win a series of grand prix cups. If you DONT have a super Mario galaxy save, attain at least 1 star rank for all mirror grand prix cup.
If you have Super Mario Galaxy, have a saved file on it and win 50 Grand Prix races. Or if you don't have Super Mario Galaxy, get a one star rating (at least a one star) on all the Mirror tracks. =)
There is no star mushroom in Super Mario Galaxy 2.
yes
You can't get the red star in super mario galaxy 2
The star from super Mario galaxy is called a luma.
It does once you unlock Yoshi in Yoshi Star Galaxy.
The same as on Super Mario Galaxy 1.
The "star" that floats next to Rosalina is called a 'Luma' the Lumas are from Super Mario Galaxy. And Super Mario Galaxy
To unlock ghostly galaxy you must unlock the kitchen. The kitchen is unlocked once you get the grand star from the fountain, the first galaxy to unlock at the kitchen is the beach bowl galaxy after unlocked a certain amount of stars you will unlock ghostly galaxy.