Python Shorts — UFOs and Angular Size

“It was the size of a basketball at arm’s length.” … Seriously????

Photo by Rogelio Gonzalez on Unsplash

What is Angular Size?

Angular size is the apparent visual size of an object, and it depends both on the actual size and the actual distance of an object from the viewer.

For example, the sun and the moon have nearly identical angular sizes, even though the sun has a…