Aurora on Northern Finland, 21 November 2025 (IMAGE)

University of Oulu, Finland

Aurora on Northern Finland, 21 November 2025

Caption

A deeper understanding of space weather also helps distinguish between natural and human-made disturbances. Solar storms also appear as auroras. Aurora over Luosto in Northern Finland, 21 November 2025. Photo: Otto Kärhä / University of Oulu

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Photo: Otto Kärhä / University of Oulu

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