Shade's Aurora

The eastern sky was massed with swaying auroral light, the most vivid and beautiful display that I had ever seen – fold on fold the arches and curtains of vibrating luminosity rose and spread across the sky, to slowly fade and yet again spring to glowing life.
--Robert Falcon Scott, 1911, Antarctica, Earth

The auroras at Shade's poles are impressive displays of light much like [those found on Earth]. They can be [rather spectacular].

Have they additional properties? - some other significance? Now what in the world could you mean by that?

You might try asking the Northfolk, perhaps...