: a diffuse glow seen in the west after twilight and in the east before dawn
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The moon will be conspicuously absent from the post-sunset sky from March 7 up until a few days after its new moon phase on March 20, presenting ideal conditions to hunt for the zodiacal light in the runup to the spring equinox and in the nights that follow.—Anthony Wood, Space.com, 5 Mar. 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