solar maculation

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English

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Noun

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solar maculation (uncountable)

  1. (astronomy, obsolete) Sunspots.
    • 1885, Agnes M. Clerke, chapter 2, in A Popular History of Astronomy during the Nineteenth Century‎[1], Edinburgh: Adam & Charles Black, page 208:
      The idea that solar maculation depends in some way upon the position of the planets occurred to Galileo in 1612.
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