The great circle of the celestial sphere passing as closely as possible through the densest parts of the Milky Way.
〔天文〕银道（圈）
Example sentencesExamples
The galactic equator has moved from it's maximum north position and is once again straight and overhead.
An asymmetry with respect to the galactic equator is obvious.
The 0 degree latitude line, or the galactic equator, is in the plane of the galaxy.
It will be the start of a new era resulting from and signified by the solar meridian crossing the galactic equator, and the earth aligning itself with the center of the galaxy.
The galactic latitude between the galactic equator and the south galactic pole is negative.
Definition of galactic equator in US English:
galactic equator
noun
Astronomy
The great circle passing as closely as possible through the densest parts of the Milky Way.
〔天文〕银道（圈）
Example sentencesExamples
The galactic equator has moved from it's maximum north position and is once again straight and overhead.
It will be the start of a new era resulting from and signified by the solar meridian crossing the galactic equator, and the earth aligning itself with the center of the galaxy.
An asymmetry with respect to the galactic equator is obvious.
The 0 degree latitude line, or the galactic equator, is in the plane of the galaxy.
The galactic latitude between the galactic equator and the south galactic pole is negative.