
The MODIS instrument on NASA's Terra satellite captured a visible image of the ash plume from the eruption of Chile's Puyehue-Cordon Caulle volcano chain spreading across South America on June 13 , 2011. The wind shifted from the day before and was now blowing from the west and southwest, pushing the plume east and northeast. (Reuters/NASA Goddard/MODIS Rapid Response, Jeff Schmaltz).
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More photos at
The Atlantic).