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Definition of Zodiacal light
1. Noun. A luminous tract in the sky; a reflection of sunlight from cosmic dust in the plane of the ecliptic; visible just before sunrise and just after sunset.
Definition of Zodiacal light
1. Noun. (astronomy) A soft glow of white light extending upward from the horizon along the ecliptic, particularly in the tropics. ¹
¹ Source: wiktionary.com