FRESNO, California (KSEE/KGPE) – Have you ever seen a shining ring of light could be seen surrounding the sun in Fresno’s sky? This is why it happens —
According to YourCentralValley.com meteorologists, the optic phenomenon is known as a ‘halo’ and is formed when light passes through thin clouds made entirely of ice crystals (also known as cirrus clouds).
The refraction effect is not rare – and can even happen around the moon. It is more common in colder months or in colder places.