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Definition of galactic equator in English: galactic equatornoun Astronomy The great circle of the celestial sphere passing as closely as possible through the densest parts of the Milky Way. 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 equatornoun Astronomy The great circle passing as closely as possible through the densest parts of the Milky Way. 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.
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