This NASA site provides a description of the remarkable minimum in sunspot counts in the year of 2008, naming it the "blankest year" of the Space Age. The article includes sunspot data records spanning the past 100 years and explains the major benefits and disadvantages of this solar minimum. Images and links for additional information are included.
Science@NASA. Spotless Sun: Blankest Year of the Space Age. Greenbelt: Science@NASA, September 30, 2008. http://science.nasa.gov/science-news/science-at-nasa/2008/30sep_blankyear/ (accessed 26 July 2017).
%0 Electronic Source %D September 30, 2008 %T Spotless Sun: Blankest Year of the Space Age %I Science@NASA %V 2017 %N 26 July 2017 %8 September 30, 2008 %9 text/html %U http://science.nasa.gov/science-news/science-at-nasa/2008/30sep_blankyear/
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