Does anyone know of a phenomenon which would make the sun appear to unset?
I was watching the sunset tonight. The sky was clear, with only a few wisps of cloud, so the sun was plainly visible as a large orange disk. It disappeared beyond the western horizon. The orange sky around it faded to peach.
And about a minute later, the sky there abruptly brightened to orange. A spark of sun appeared, then the top of the disk. Then it went back over the horizon and the sky faded back to peach.
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