aurora borealis
Definition
A spectacular natural light display in the Earth's sky, particularly in high-latitude regions of the Northern Hemisphere, caused by the collision of charged particles from the sun with atoms in the upper atmosphere.
Commonly known as the Northern Lights, appearing as shifting waves of green, purple, blue, or pink hues.
Examples
We bundled up in Iceland, chasing the elusive aurora borealis that turned the night into a cosmic rave.
The aurora borealis was so vibrant, it made the Milky Way look like a dull backdrop in a bad sci-fi flick.
Forget dating apps; nothing sparks romance like whispering sweet nothings under the swirling aurora borealis.
Photographers flock to Finland yearly, armed with tripods and thermal underwear, to capture the aurora borealis in all its electric glory.