According to NASA, the green flash is a real phenomenon when the Sun sets or rises, and its light is refracted by the Earth's atmosphere. San Francisco Chronicle via Getty Images KEY WEST ...

The word anthotype comes from the Greek anthos (“flower”) and typos (“imprint”). If you’re familiar with sun prints, using ...

The effect was strikingly noticeable, and the green colour intense. I watched for twenty minutes, but in vain, for another “green sun,” and at 3.30 clouds came up.

As the sun dips below the horizon and the light starts to dim, lucky observers may spot a rare, brief flash of emerald. This is the "green flash," which can sometimes be seen right after sunset or ...

IN a clear sky, as the disk of the sun sinks down beneath the horizontal line of the ocean, the parting ray is a brilliant emerald green. I have occasionally, but not often, had the pleasure of ...