Concept information
Preferred 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. (en)
Broader concept
- Night sky brightness (en)
Entry terms
- Counterglow (en)
URI
http://astrothesaurus.org/uat/640
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