This striking and often beautiful halo around the moon is caused by the refraction of moonlight from ice crystals in the upper atmosphere.” Scientists refer to this phenomenon as a 22-degree halo.

While searching for a rare and beautiful harlequin duck at Illinois Beach State Park on a recent cold day, I looked to the sky to see a halo surrounding the sun.The bright globe was completely ...

The 22° halo surrounds a low sun, while to its left and right are what are known as sundogs. The upper tangent arc is visible on the top while at the bottom is the sun pillar.

GRAND RAPIDS, Mich. (WOOD) — Few things can add a splash of magic to your day like an ethereal halo perfectly encircling the sun in the sky, but how do these things form? Conditions must be ...

However, he cautioned against assuming that a sun halo guarantees an impending storm. “It’s not a hard-and-fast rule, but it’s often part of the bigger weather picture,” Berger said.

But despite decades of robotic explorers on the surface of Mars capturing countless thousands of photographs of the skies, scientists hadn't seen any sign of a sun halo. Until Dec. 15, 2021, that is.

The sun halo occurs when sunlight interacts with ice crystals in the atmosphere. Explore. Search Tuesday, Jun 17, 2025. New Delhi o C. Subscribe. Games. E-Paper Sign in. My Account ...

The halo around the sun, however, was unrelated to the eclipse. This type of circular ring of light, which appeared both before and after the total eclipse last Monday, is called a 22-degree sun halo.

A halo around the sun on Sept. 2, 2024. (Courtesy Antoinette Houtman) These ice crystals can stream in as a cloud, or be in a thin enough layer they are almost indetectable.