Eelgrass Under Ultraviolet Light, Tongue Point, Washington

Eelgrass (genus Zostera), which normally appears green, takes on vibrant colors when exposed to ultraviolet light at low tide on Tongue Point in the Salt Creek Recreation Area near Port Angeles, Washington. The vibrant colors are the result of fluorescence, a type of photoluminescence, in which certain chemicals absorb light that is invisible to human eyes and emit some of it at a different wavelength that we can see. This scene was captured under black light.

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Filename: BlackLight_Low-Tide_Eelgrass_Tongue-Point_3588.jpg
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Image Size: 7188x5464 / 35.8MB; ultraviolet ultraviolet light blacklight black light fluoresce fluorescence photoluminescence phosphor phosphors low tide tide beach Washington WA nature psychedelic Saltnight tide pool pool algae eelgrass Zostera seagrass marine water plant plants vegetation Salt Creek Recreation Area Salt Creek Tongue Point Port Angele violet orange red grass grasses
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Eelgrass (genus Zostera), which normally appears green, takes on vibrant colors when exposed to ultraviolet light at low tide on Tongue Point in the Salt Creek Recreation Area near Port Angeles, Washington. The vibrant colors are the result of fluorescence, a type of photoluminescence, in which certain chemicals absorb light that is invisible to human eyes and emit some of it at a different wavelength that we can see. This scene was captured under black light.