auroral

/əˈrɔrəl/
adjective
  1. Relating to or resembling the dawn or the colors of the sunrise.
    • The auroral light filled the room with a warm, hopeful feeling.
    • She painted the sky in soft auroral pinks and golds.
    • The auroral glow over the mountains signaled the start of a new day.
  2. Relating to the aurora borealis (northern lights) or aurora australis (southern lights).
    • The auroral display last night was the brightest we've seen in years.
    • Tourists traveled to Alaska hoping to see the auroral lights.
    • Scientists study auroral activity to understand the Earth's magnetic field.
Synonyms
What does "auroral" mean? | whatsthatwordmean | whatsthatwordmean