Bad Astronomy -
10 Jun 2014 16:03
Satellite imagery of Earth is incredible. It affords us flatlanders a view of phenomena that perhaps we never even knew existed. For example, are you aware of von Kármán vortices? No? Regular readers might be; I've written about them before (see Related Posts, below). I wrote a detailed explanation of them once, but in a nutshell, when wind moves past an obstacle, it flows around the obstacle. Eddies form in the flow, little vortices, and they're unstable. They push one way on the flow, the fl...
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