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“auroral forms”
auroral form (s), auroral forms (pl)
Any of the various shapes of auroral emissions:
- Arcs, bands of arching light extending across the sky.
- Rays, beams of light, appearing singularly or in bundles.
- Draperies, sheets of light spreading across the sky.
- Crowns, rays which seem to emanate from a common point.
- Diffuse aurora, scattered cloud-like surfaces.
This entry is located in the following unit:
aurora-, -aurora +
(page 1)