Last Updated:2025/11/29
A structure that is embedded in a uniformly bright aurora, where its optical emission is significantly reduced, presenting as either patches or arcs that mainly drift eastwards.
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black aurora
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Source Word
black aurora
Noun
Japanese Meaning
均一に明るいオーロラ内に埋蔵された構造体で、光放射が大幅に低下しているため、主に東へ漂移するパッチまたは弧状の形態を呈する現象
( plural )
( plural )