northern lights

northern lights pl (plural only)

1. The aurora of the northern hemisphere.
   • 2023 November 15, Prof. Jim Wild, “This train was delayed because of bad weather in space”, in RAIL, number 996, page 30:

     A common and beautiful side-effect of high solar activity is the Aurora Borealis - the northern lights that dance across Arctic skies. […] Ships' logs noted observations of the northern lights as far south as the Caribbean, and telegraph systems across the world were disrupted as electrical currents were induced in the copper lines.

• aurora borealis
• (Shetland) mirrie dancers

• aurora australis, southern lights

• County of Northern Lights