Luminescent Aurora

luminescence
ˌluːmɪˈnɛs(ə)ns
noun. the emission of light by a substance that has not been heated, as in fluorescence and phosphorescence.
"honey fungus produces a ghostly greenish luminescence"
aurora
ɔːˈrɔːrə
noun. 1. a natural electrical phenomenon characterized by the appearance of streamers of reddish or greenish light in the sky, especially near the northern or southern magnetic pole. The effect is caused by the interaction of charged particles from the sun with atoms in the upper atmosphere. In northern and southern regions it is respectively called aurora borealis or Northern Lights and aurora australis or Southern Lights.
2. literary
the dawn.