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Definition of Maunder minimum
1. Proper noun. (astronomy) The period between 1645 and 1715 marked by records and other indications of very low levels of sunspot activity of Earth's sun, corresponding to a period of global cooling. ¹
2. Noun. (astronomy) A similar period observed on another star. ¹
3. Proper noun. (astronomy) The period between 1645 and 1715 marked by records and other indications of very low levels of sunspot activity of Earth's sun, corresponding to a period of global cooling. ¹
¹ Source: wiktionary.com