Noun: counterglow 'kawn-tu(r),glow
- A faint spot of light in the night sky that appears directly opposite the position of the sun; a reflection of sunlight by micrometeoric material in space
"Astronomers observed the counterglow during their night sky survey";
- gegenschein
Derived forms: counterglows
Type of: light, visible light, visible radiation
Encyclopedia: Counterglow