20 Rare Weather Events Caught Defying the Sky

Imagine a rainbow drained of color — a pale halo glimmering through mist. A fog bow forms when droplets are too small to refract distinct colors, scattering light into white. Icelandic photographers captured one arching over glacial plains, ethereal as breath. Where rainbows shout, fog bows whisper — proof that beauty survives even

in silence. Scientists studying microdroplet optics note that such bows reveal particle sizes below 0.05 millimeters, turning atmosphere into a lens of diffraction.