SAN FRANCISCO (KGO) -- Have you ever seen a halo-effect or ring around the moon? Known as a moon ring, a winter halo, or a 22-degree halo, it's when "ice crystals suspended high above in thin wispy ...

A halo around the sun or moon is an optical phenomenon created by refracted sunlight or moonlight through tiny ice crystals that make up high-altitude clouds. The light is refracted in 22-degree ...

Wednesday night’s online chatter among some High Desert residents included the question, “What’s up with the ring around the moon?” Some speculated that the ring was possibly a “portal to heaven,” ...

Have you ever looked up and spotted a ring around the sun? This optical phenomenon is called a 22-degree halo. That's because the radius of the halo is approximately 22 degrees. So how are they formed ...

It's not as rare a High Desert phenomenon as last weekend's spectacular northern lights, but several Central Oregonians couldn't help but share their views of a halo, ring or rainbow - various ...