aurora

Meanings

1. 1
   noun

   a display of colored light in the polar sky caused by charged solar particles interacting with the upper atmosphere

   The green bands of the aurora borealis brightened the northern horizon.

2. 2
   noun

   the dawn or first light of day, especially in poetic use

   A pale aurora spread across the eastern sky before sunrise.

From Latin aurora ("dawn"), also the name of the Roman goddess of dawn. The atmospheric sense arose because the luminous polar display resembles the glow of daybreak; borealis and australis distinguish the northern and southern auroras.

Topics

External links

• Cambridge Dictionary
• Wiktionary
• Google Images