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Rare ‘polar rain’ aurora seen from Earth for first time

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An unusually quiet and uneventful Christmas Day aurora observed over the Arctic in 2022 was the result of a ‘rainstorm’ of electrons directly from SUNsay Japanese and US-based researchers.

It is the first time a rare aurora of this kind has been seen from land and comes at a time when landslides the solar wind had fallen almost completely, leaving a region of calm around the Earth.

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