counterglow

• Fenômeno óptico atmosférico que consiste em um brilho fraco e difuso no céu noturno, localizado em posição oposta à do Sol, causado pela reflexão da luz solar por partículas de poeira interplanetária.

A faint, diffuse glow in the night sky located exactly opposite the sun, caused by sunlight reflecting off micrometeoric dust particles in interplanetary space.

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1. Astronomical phenomenonC2formalscientific

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

   Luz Zodiacal Oposta

   • The counterglow is best observed on a moonless night far from city lights.
   • Astronomers study the counterglow to understand the distribution of dust in the solar system.
   • The counterglow appears as a faint, oval-shaped glow in the constellation opposite the sun.

   Sinônimosgegenschein