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Annie Scott Dill Maunder

Annie received her secondary education at the Ladies Collegiate School in Belfast, which later became Victoria College.

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The investigations of the Maunders demonstrated a correlation between the variation in sunspot numbers and the climate of the Earth, leading to the discovery that the period of decreased solar activity during the Maunder Minimum likely resulted in the Little Ice Age.

Solar cycle

This pattern is best visualized in the form of the so-called butterfly diagram, first constructed by the husband-wife team of E. Walter and Annie Maunder in the early twentieth century (see graph below).

see also