galactic coordinate system


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Related to galactic coordinate system: South Galactic Pole

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 ?
To decipher these features and get a sense of galactic depth perspective on the autumn Milky Way, it's helpful to use the galactic coordinate system.
Chapter two explains the Milky Way galaxy and here we are introduced to the galactic coordinate system.
The galactic coordinate system is one of three that are used for specifying a position on the celestial sphere.