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galactic equator

noun
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Definition of galactic equator

: the great circle of the celestial sphere halfway between the galactic poles parallel to and about 1 degree north of the center line of the Milky Way and inclined about 62 degrees to the celestial equator

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“Galactic equator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/galactic%20equator. Accessed 5 Mar. 2021.

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