gegenschein

• Fraca mancha difusa de luz no céu noturno, situada diretamente em oposição ao Sol, causada pela reflexão da luz solar por partículas de poeira interplanetária. Também chamada de luz zodiacal oposta ou contraluz zodiacal.

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.

incontável

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.

   Luz zodiacal oposta

   • 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.

   Sinônimoscounterglow