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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.
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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)
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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