What are sun halos, why do they happen?

Meteorologist Andrew Stutzke explains why the perfectly symmetric beauty surrounding the sun occurs in our skies.

What makes a halo around the sun or moon?

Heavenly' Ice Halos Form Over New Mexico—What Causes Them?

Spot a circle around the sun? It's probably a sun halo!

Rare Sun Halo seen in Prayagraj: What is the mysterious ring

22 Degree Halo: a ring of light 22 degrees from the sun or moon

Mystery solved: What causes sun dogs, sun pillars, and halos

What Causes Sun Halos? A mix of chemistry, physics and geometry

What's A Sun Halo? - Farmers' Almanac - Plan Your Day. Grow Your Life.

What are sun halos, why do they happen?

What's that ring around the sun? Sun halo?

22° halo - Wikipedia