To get green stars, you go through each level and look for green stars. You can also listen for the star "sound."
You get every green star.
throw
you have to get every star, green star, prankster comet and comet medal
There is no star mushroom in Super Mario Galaxy 2.
You can't get the red star in super mario galaxy 2
You go to the Trial Galaxies and talk to the green star.
The same as on Super Mario Galaxy 1.
It's a hidden star and can be found by simply going to any level
The star from super Mario galaxy is called a luma.
Just 3, including a green star at the Battlerock.
The "star" that floats next to Rosalina is called a 'Luma' the Lumas are from Super Mario Galaxy. And Super Mario Galaxy
the trial galaxy rock is on top of the observatory (or around it). you have to get the three green power stars and a green launch star will appear use it to get to the trial galaxy rock.