This effect is called a lunar halo or a moonbow which is visually similar to a rainbow. There are several ingredients that are needed for this optical effect to happen. First, there must be a ...

These falls are one of only two places on Earth where you can see a moonbow. A moonbow is a natural phenomenon that occurs when moonlight is refracted in water during a full moon. The result is a ...

A rare moonbow has been spotted in the skies above Devon tonight. This picture was taken in Exeter of the phenomenon. The rare lunar rainbow phenomenon occurs when light from the moon is refracted ...