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A fogbow (or cloudbow) is similar to a rainbow, but is produced by very small droplets in fog or cloud, which diffract light, instead of large raindrops which do not. Like the rainbow, it is visible in the opposite direction to the sun, spanning an angle of about 40° (depending on droplet size distribution) from the antisolar point, but it is only weakly (or not at all) colored, because diffraction produces largely overlapping arcs for each color.

Media in category "Fogbow"

The following 32 files are in this category, out of 32 total.