Natural Light Display in the Night Sky
This page is the CodyCross answer for the clue below from Nordic Wonders, Group 1955, Puzzle 5 (Norwegian Fjords).
Question is: Natural Light Display in the Night Sky
and the answer is: AURORA
Word Meaning:
AURORA — An atmospheric phenomenon created by charged particles from the sun striking the upper atmosphere, creating coloured lights in the sky. It is usually named australis or borealis based on whether it is in the Southern or Northern Hemisphere respectively.
Definitions from Wiktionary.