A few days ago, a man in Sichuan, China filmed a rare video of two suns appearing at the same time. He saw two suns hidden in the clouds.
Two suns appear at the same time. (Source: Chinatimes)Immediately after the video was posted, it sparked heated debates online. People left comments such as: “No wonder the weather is so hot these days”, “So the legend of nine suns is true?”, “Are we in a science fiction novel?”
So why is there a phenomenon of multiple suns appearing at the same time?
It is an atmospheric optical phenomenon called “Parhelion”. The optical phenomenon appears when the sun approaches the horizon.
When a virtual sun appears, light is refracted through ice crystals in the air and forms halos like a real sun.
Parhelion usually appears at an inclination of 22 degrees to the sun, due to the angle of refraction of the light rays.
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