"Right over the ocean, there is cooler air, but sometimes there's a layer of warm air above it," Null said. "You have the sun setting, and it's coming through these layers. It's getting bent."
"You have the sun setting, and it's coming through these layers. It's getting bent."
"But why is the flash green? As the sun disappears into the horizon, its lightwaves are bent by the atmosphere. The green light becomes concentrated and separates from the other colors in the light spectrum, creating that brilliant green flash."
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