4Frozen Wave, Antarctica

This unique frozen wave is located in Antarctica. It was discovered by american scientist Tony Travouillon in 2007.

The formation contains blue ice, and this is compelling evidence that it was not created instantly from a wave of water. Blue ice is created as the ice is compressed and trapped air bubbles are squeezed out. The ice looks blue because, when light passes through thick ice, blue light is transmitted back out but red light is absorbed. Subsequent melting and refreezing over many seasons has given the formation its smooth, wave-like appearance.

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