Analysis of information sources in references of the Wikipedia article "オーロラ" in Japanese language version.
The Valkyrior are warlike virgins, .... When they ride forth on their errand their armor shed a strange flickering light, which flashes up over the northern skies, making what men call the "Aurora Borealis," or "Northern Lights."
Die Norweger glaubten im Glanze des Nordlichts, das mancherley Gestalten zeigt, die Walkyrien zu erblicken, und deren Gefärgé im Geräusch der elek trischen Luft zu vernehmen.
The Valkyrior are warlike virgins, .... When they ride forth on their errand their armor shed a strange flickering light, which flashes up over the northern skies, making what men call the "Aurora Borealis," or "Northern Lights."
