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Vinony

Maunder Minimum

proper noun

  1. The period starting about 1645 and continuing to about 1715 when sunspots were exceedingly rare
L469031 on Wikidata ↗

Wiktionary

name

Etymology: First noted by Gustav Spörer in publications in 1887 and 1889, work that was relayed to the Royal Astronomical Society in London, and then expanded on, by the solar astronomers Edward Walter Maunder (1851–1928) and (his wife) Annie S. D. Maunder (1868–1947).

  1. The period between 1645 and 1715 marked by records and other indications of very low levels of sunspot activity of the Sun, corresponding to a period of global cooling.

noun

  1. A period similar to the Maunder Minimum observed on a star other than the Sun.