Galactic plane
The galactic plane is the plane on which most of a disk-shaped galaxy's mass lies. The directions perpendicular to the galactic plane point to the galactic poles.
The galactic plane is the plane on which most of a disk-shaped galaxy's mass lies. The directions perpendicular to the galactic plane point to the galactic poles.
The galactic plane is the plane on which most of a disk-shaped galaxy's mass lies. The directions perpendicular to the galactic plane point to the galactic poles.
Source: Wikipedia "Galactic plane" · CC BY-SA 4.0
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