gegenschein

• Schwacher, diffuser Lichtfleck am Nachthimmel, der der Sonne genau gegenüberliegt und durch die Reflexion von Sonnenlicht an interplanetaren Staubteilchen entsteht.

A faint, diffuse patch of light in the night sky located directly opposite the sun, caused by the reflection of sunlight from interplanetary dust particles.

unzählbar

1. Faint celestial glowC2formalscientific

   A faint, diffuse, oval-shaped patch of light in the night sky located at the antisolar point, directly opposite the sun, caused by the reflection of sunlight from interplanetary dust particles.

   Gegenschein

   • The gegenschein is best observed on a moonless night far from city lights.
   • Astronomers study the gegenschein to learn about the distribution of dust in the solar system.
   • The gegenschein appears as a subtle brightening in the zodiacal light band.

   Synonymecounterglow