solar cycle

noun

1
: a cycle of disturbances in the sun and its atmosphere (such as the fluctuation in the numbers and areas of sunspots or the form and shape of the corona) of an average length of about 11 years
2

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“Solar cycle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solar%20cycle. Accessed 9 Oct. 2024.

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