People around the world have been transfixed by images of fountains of red and orange lava oozing out of volcanic vents on Hawaii's Big Island. Now blue has joined the mix: the blue flames of burning methane gas.
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Thu, 05/24/2018 - 12:59am
People around the world have been transfixed by images of fountains of red and orange lava oozing out of volcanic vents on Hawaii's Big Island. Now blue has joined the mix: the blue flames of burning methane gas.