A new type of aurora named ‘the dunes’

Reporting this week in AGU Advances, a team of researchers has discovered a brand new type of aurora, thanks to the help of some intrepid citizen scientists. Described as “dunes,” the spectacular light show manifests as a series of rippling emerald ribbons that extend toward the equator.
 Unlike typical aurorae, which are oriented vertically like fence posts, the dunes hang horizontally like blinds in a window, giving off the appearance of hills of sand cascading across a beach.
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