Auroral

ɔːˈrɔːrəl

adjective

of or relating to the dawn or resembling the dawn; rosy, radiant, or bright

The word 'auroral' is derived from the Latin word 'aurora,' meaning dawn. It is often used to describe something that resembles the colorful phenomena of light in the sky near the polar regions known as the aurora borealis (northern lights) and aurora australis (southern lights).

Cosette was a condensation of the auroral light in the form of a woman.

Victor Hugo

Les Misérables

That man who does not believe that each day contains an earlier, more sacred, and auroral hour than he has yet profaned, has despaired of life, and is pursuing a descending and darkening way.

Henry David Thoreau

Walden

Now only do I know you, O fair auroral skies—O morning dew upon the grass!

Walt Whitman

Leaves of Grass

A peculiar light circled around the horizon, white and thin like that often seen over the auroral corona, blending into the blue of the upper sky.

John Muir

My First Summer in the Sierra