Sylvanshine is an optical phenomenon in which dew-covered foliage with wax-coated leaves retroreflect beams of light, as from a vehicle's headlights. This effect sometimes makes trees appear snow-covered at night during the summer. The phenomenon was named and explained in 1994 by Alistair Fraser of Pennsylvania State University, an expert in meteorological optics. According to his explanation, the epicuticular wax on the leaves causes water to form beads, which in effect, become lenses. These lenses focus the light to a spot on the leaf surface, and the image of this spot is directed as rays in the opposite direction.
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| - Kilau pepohonan (in)
- Sylvanshine (en)
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| - Kilau pepohonan atau cahaya hutan (bahasa Inggris: sylvanshine adalah fenomena optis yang muncul saat dedaunan berlapis lilin yang tertutup embun memantulkan kembali berkas cahaya yang mengenainya, terutama cahaya dari lampu depan kendaraan. Efek ini terkadang membuat pepohonan tampak tertutup salju di malam hari selama musim panas. Fenomena ini dinamai dan dijelaskan pada tahun 1994 oleh , seorang ahli meteorologi optik dari . Menurut penjelasannya, lilin epikutikuler pada daun menyebabkan air membentuk manik-manik, yang pada dasarnya menjadikannya sebuah lensa. Lensa ini memfokuskan cahaya ke suatu titik di permukaan daun, dan bayangan titik ini diarahkan sebagai sinar dalam arah yang berlawanan. (in)
- Sylvanshine is an optical phenomenon in which dew-covered foliage with wax-coated leaves retroreflect beams of light, as from a vehicle's headlights. This effect sometimes makes trees appear snow-covered at night during the summer. The phenomenon was named and explained in 1994 by Alistair Fraser of Pennsylvania State University, an expert in meteorological optics. According to his explanation, the epicuticular wax on the leaves causes water to form beads, which in effect, become lenses. These lenses focus the light to a spot on the leaf surface, and the image of this spot is directed as rays in the opposite direction. (en)
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| - Kilau pepohonan atau cahaya hutan (bahasa Inggris: sylvanshine adalah fenomena optis yang muncul saat dedaunan berlapis lilin yang tertutup embun memantulkan kembali berkas cahaya yang mengenainya, terutama cahaya dari lampu depan kendaraan. Efek ini terkadang membuat pepohonan tampak tertutup salju di malam hari selama musim panas. Fenomena ini dinamai dan dijelaskan pada tahun 1994 oleh , seorang ahli meteorologi optik dari . Menurut penjelasannya, lilin epikutikuler pada daun menyebabkan air membentuk manik-manik, yang pada dasarnya menjadikannya sebuah lensa. Lensa ini memfokuskan cahaya ke suatu titik di permukaan daun, dan bayangan titik ini diarahkan sebagai sinar dalam arah yang berlawanan. (in)
- Sylvanshine is an optical phenomenon in which dew-covered foliage with wax-coated leaves retroreflect beams of light, as from a vehicle's headlights. This effect sometimes makes trees appear snow-covered at night during the summer. The phenomenon was named and explained in 1994 by Alistair Fraser of Pennsylvania State University, an expert in meteorological optics. According to his explanation, the epicuticular wax on the leaves causes water to form beads, which in effect, become lenses. These lenses focus the light to a spot on the leaf surface, and the image of this spot is directed as rays in the opposite direction. (en)
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