What is Sun Halo? How is it formed?

A mesmerizing phenomenon — a rainbow round the Sun know as a Sun halo, was observed recently in Bengaluru.

sun halo image

What is it? How is it formed?

The halo that appeared round the Sun may be a 22-degree ring that appears because of the dispersion of sun rays as white light passes through ice crystals found in upper-level cirrus clouds, causing the halo to possess colors.

The clouds contain many tiny ice crystals, which refract, split and even reflect the sun rays to offer an impact of a circular rainbow ring.

The crystals need to be oriented and positioned with great care with reference to your eye, so as for the halo to seem .

Similarly, what are lunar halos?

Seen round the Moon, lunar halos are mostly colorless as moonlight isn’t very bright.

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