- either of the two opposite points on the celestial sphere that are farthest north and south of the Milky Way.
Origin of galactic pole
First recorded in 1840–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- 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