This picture shows a green lightning bolt that was spotted near a volcanic eruption in Chile (look to the right). The green coloration is created by excited oxygen atoms. It was initially thought that this was a very rare occurrence, but that might not be the case after all. According to some scientists, there could be green lightning during regular thunderstorms that remain hidden inside of the clouds. In this instance, the cloud of volcanic ash is structured differently and pushes the bolt to the exterior, into our full view.
More info: http://bit.ly/1hQfocF
More info: http://bit.ly/1hQfocF
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