Did you see the noctilucent cloud last night? It was caused by a meteor and according to @nasa they form when smoke from meteors burning up when they enter the atmosphere collect water droplets which freeze into ice crystals, becoming visible in the atmosphere some 250,000 feet high! #nasa #winecountry #clouds #noctilucentclouds #meteor #sonomavalleywine #therootsrundeep Photo and info: @pressdemo

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