: a diffuse glow seen in the west after twilight and in the east before dawn
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Yui's video kicked off with a dramatic display of zodiacal light, which formed as sunlight reflected off a cloud of interplanetary dust particles to form a column of light above the colorful arc of our Blue Marble.—Anthony Wood, Space.com, 10 Jan. 2026 It’s dedicated to stargazing and night-sky education, with information on the Bortle scale (which measures light pollution), as well as stargazing sights like zodiacal light and air glow.—Stephanie Vermillion, Outside, 6 Oct. 2025 The glow of zodiacal light aligns with the ecliptic — the sun’s path through the zodiac constellations and the plane of the solar system — which is steep at the equator and sloped at mid-northern latitudes.—Jamie Carter, Forbes.com, 20 Sep. 2025 The sunlight scattering off this interplanetary dust is called zodiacal light and is roughly 24.5 mag/arcsec2.—Phil Plait, Scientific American, 4 Oct. 2024 See All Example Sentences for zodiacal light