Detection of the infrared aurora at Uranus with Keck-NIRSPEC

LEO's

Nature Astronomy, Published online: 23 October 2023; doi:10.1038/s41550-023-02096-5

New northern aurora emissions on Uranus in the infrared spectrum are detected after a 30-year search. The emissions, observed close to equinox, are most likely caused by the 88% increase in upper atmosphere column density.

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