galactic coordinate system

(redirected from Plane of the Milky Way)
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Related to Plane of the Milky Way: Galactic plane, plane earth

galactic coordinate system

n.
A celestial coordinate system in which an object's position on the celestial sphere is defined relative to the plane of the Milky Way galaxy and the two poles formed by a line through the center of the galaxy perpendicular to the plane.
References in periodicals archive ?
Studying the edge of the galaxy is difficult, Blitz says, because the thick screen of dust in the plane of the Milky Way blocks a lot of the light from distant stars.
Vast amounts of dust lie in the plane of the Milky Way between here and its centre, obscuring our view at visible wavelengths.
The image shows the plane of the Milky Way galaxy, which is often described as looking like two fried eggs back-to-back, with a flat disc in the middle.