purple light

purple light

[′pər·pəl ′līt]
(geophysics)
The faint purple glow observed on clear days over a large region of the western sky after sunset and over the eastern sky before sunrise.
References in classic literature ?
The night-wind rustled through the boughs, rocking the flowers to sleep; the wild birds sang their evening hymns, and all within the wood grew calm and still; paler and paler grew the purple light, lower and lower drooped little Annie's head, the tall ferns bent to shield her from the dew, the whispering pines sang a soft lullaby; and when the Autumn moon rose up, her silver light shone on the child, where, pillowed on green moss, she lay asleep amid the wood-flowers in the dim old forest.
I felt the agitation of the heart, I saw "the purple light of love" cast its glowing reflection on cheeks, temples, neck; I desired to consult the eye, but sheltering lash and lid forbade.
A large fire was burning in front of this tent, and threw its purple light over the grassy pools of the marsh, rippled by a fresh breeze.
They too consist of layers, which cause constructive interference for green or purple light.
"But then we started looking around our CCTV and the one in Tennant Creek sees this beautiful purple light coming down," he said.
The purple light helps in flowering while the white one softens exposure to ensure the fruit does not over ripen," said Beaudoin.
405nm wavelength LEDs that emit purple light can thicken the leaves of the plant and make the color sharper.
Up front is pretty special too thanks to the DS Active LED Vision headlamps that emit a purple light when the car is unlocked before pivoting 180 degrees.
Your loved ones surround you with purple light, which to me is a very spiritual healing colour.