Mystery Boxes Astronomical Puzzle In Upper City

Does anyone know what I'm doing wrong for the puzzle in this room? You needed to find 9 mystery boxes and I have but some of the stones you need to shoot in order aren't lit up, they are greyed out. Any ideas?

Does anyone know what I'm doing wrong for the puzzle in this room? You needed to find 9 mystery boxes and I have but some of the stones you need to shoot in order aren't lit up, they are greyed out. Any ideas?