Assertion: aurora borealis | /r/HasProperty | aurora
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: In northern latitudes, the effect is known as the Aurora Borealis, named after the Roman Goddess of the dawn (Aurora) and the Greek name for the north wind (Boreas).
text: The Aurora Borealis, sometimes just called auroras, are more affectionately known as the Northern Lights.
text: The scientific name for the phenomenon is “Aurora Borealis”, aurora for short.