Gegenschein

Alternative definitions (0), class: vernacular (0)
Term: Gegenschein
Definition:

A faint glow of light in the night sky seen exactly opposite the Sun. The gegenschein is sunlight back-scattered off millimeter-sized dust particles along the ecliptic. In comparison with zodiacal light (forward-scattered sunlight), which is triangular in shape and found near the horizon, the gegenschein is roughly circular.

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan
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