Archives for: "Feb 20 2022"

Hole in Cloud

February 20th, 2022
A region of thin, high cloud becomes ice, making a hole. That is what happened in the picture below. See the blue hole over the mountain? It may not be circular, but it clearly is a gap where once had been cloud. If you look at that cloud, you might not… more »

Bright Tangent Arc After Sundown

February 20th, 2022
Walking the dog in the evening last May, I saw this bright spot in the sky. The sun had just set and quite a few folks had also noticed it.     I had never seen an optical display after sundown, yet could never think of a reason for this. Indeed, there… more »