Incredible Images: Earth in 2011

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Chile Volcano Sunsets

Credit: Mike Rowe/
The ash, other small particles and gas spewed by Chile's Puyehue-Cordón Caulle volcano were moved around the atmosphere above the Southern Hemisphere…Read More »

by air currents, wreaking havoc on air travel in Australia and New Zealand.

But these diffuse plumes also treated Southern Hemisphere denizens to stunning sunsets and sunrises by scattering and refracting incoming sunlight in a way that favors the transmission of light closer to the red end of the spectrum.

This phenomenon can be seen in this image of sunset from New Zealand's Mt. Wellington. [See more sunset images.]   Less «
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