A halo develops when light enters one side of a columnar ice crystal and exits through another side. The light is refracted when it enters the ice crystal and once again when it leaves the ice crystal.
Black and white silhouette portrait of the foggy evening lightened by the full moon's white Moonglow. Isn't it amazing how bright it looks through the fog on the water? Makes me think of what hope might look like.
These awe-inspiring photos of Mother Nature might just be reason enough to give a thankful nod on Earth Day. Here, using clever low exposure techniques, photographer Rolf Maeder managed to capture multiple lightning strikes hitting the Grand Canyon.