What does airglow mean?
noun
A faint, diffuse glow in the upper atmosphere, caused by the excitation of atmospheric gases by solar radiation. It is visible at night as a faint, diffuse light.
Example
"The airglow was visible as a faint, greenish glow on the horizon."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.