A new auroral phenomenon Dunes (IMAGE)

University of Helsinki

A new auroral phenomenon Dunes

Caption

A new auroral phenomenon discovered by Finnish researchers a year ago is probably caused by areas of increased oxygen atom density occurring in an atmospheric wave channel. The speculative explanation offered by the researchers gained support from a new study.

Credit

Graeme Whipps.

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The image may be used with appropriate mention of the photographer Graeme Whipps.

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