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solar apex

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noun Astronomy.
  1. the point on the celestial sphere, near Vega, toward which the solar system is moving relative to the visible stars.

Origin of solar apex

First recorded in 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for solar apex

solar apex

noun
  1. another name for apex (def. 4)
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