Clouds come in a vast array of unusual shapes and sizes, and the Weird Cloud Atlas wants to help you sort of what is what. … In fact, these disk-shaped clouds have a tendency to be mistaken for extraterrestrial vehicles. There are a few choice types that didn't make it on to … The interaction causes turbulence at the interface between the two air packets, leading to the strange structure. This process is … The Incredible Flying Car of the 1950s (0:57). The Mystery of the … …

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UFO or Crazy Cloud? 'Weird Cloud Atlas' Helps You Decide | Smart …