noun
- plural form of aurora; natural light displays in the sky, especially near the polar regions
Usage: scientific; formal plural
Examples
- The aurorae were visible across northern Canada last night.
- Scientists study aurorae to understand solar wind interactions.
- Photographers traveled to Alaska to capture the brilliant aurorae.
- The aurorae appeared as dancing curtains of green and red light.
- Solar storms can intensify aurorae and make them visible farther south.