Liberal Dictionary English Dictionary

auroral zone

auroral zone noun

the region surrounding the north or south geomagnetic pole in which the auroral phenomena take place.

Map of the Arctic showing the auroral zone. The ovals are lines of latitude. Canada has the bulk of the land in the auroral zone.

Auroral oval (in false colour) as seen from space, overlaid on top of a visible image of Earth. The red indicates the brightest aurora and blue the dimmest.

northern hemisphere auroral zone

Canada’s

The auroral electrojets indices (AU, AL, AO and AE) are designed to provide a global, quantitative measure of auroral zone magnetic activity produced by

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