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Published online by Cambridge University Press: 13 April 2016
The Executive Committee Working Group on “Cosmic Light” was created in 2014 (at its EC94 Meeting, Apr.30-May 2, Canberra, Australia), in preparation of the contribution of the IAU to the UNESCO “2015 International Year of Light and Light Technologies” (IYL2015), which had been approved by the UN in December 2013 (see http://www.light2015.org/Home.html).