LOUIS – Have you ever looked up at the night sky and saw a clear ring around the moon ... glimpse of the sky could possibly see a halo around the moon. In short, ice crystals in the upper ...

To best view a lunar halo, sky conditions must be clear with only a thin layer ... According to weather lore, a ring around the sun or moon means rain or snow is coming soon.

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

We are looking at another aspect of optics in the atmosphere and the “cool” stuff you can sometimes see in the winter ...