Definitions for "gegenschein"
A faint patch of light in the night sky that appears opposite the sun; a reflection of sunlight by micrometeoric material in space.
The diffuse glowing spot, seen on the ecliptic opposite the sun's direction, created by sunlight reflected off of interplanetary dust. ~ See Also: zodiacal light.
Gegenschein (meaning "counterglow") is a very faint glow in the sky that appears exactly opposite to the Sun.