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galactic poles

plural noun

  1. the two points on the celestial sphere, diametrically opposite each other, that can be joined by an imaginary line perpendicular to the galactic plane
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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galactic polegalactic year