Have you ever gazed up at the night sky and caught your breath at the sight of a glowing ring encircling the moon? It feels .

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.

A double moon halo in Redcar and Cleveland as seen by Endy. Image source, BBC Weather Watcher / Frances B. Image caption, A lunar corona captured in Guildford, Surrey by Frances B.

This forms a glowing halo around the moon. "If you see a 22-degree halo, you might also, if you're very lucky, see a 46-degree halo, which is enormous.

The ring is actually an optical illusion. It is caused when the moon light refracts off ice crystals in a thin veil of cirrus clouds. Those crystals create a giant lens 20,000 feet above us. They're ...

The lunar halo. The folks at Space.com explained that the moon's “halo or lunar halo” is an optical illusion that causes a large bright ring to surround the moon.

Like a rainbow, the striking moon ring is caused by a refraction, or splitting of light, and also by a reflection of moonlight from tiny ice crystals in Earth's atmosphere, according to Earth Sky ...

Many people Thursday night and Friday morning may have looked up to see a massive halo surrounding the moon on Thursday night and Friday morning. It turns out, there's an interesting scientific ...

MOLINE, Illinois — Recently, the full moon took on a neat appearance, which several of you noticed. Connie from Alton, Illinois, sent us this picture of the moon that appeared to have a halo ...

The "moon halo" or "moon dog" is fairly common — especially as the weather gets colder. To stream WHAS11 on your phone, you need the WHAS11 app. Download the WHAS11 app. More Videos.