Insect and Spider Identification: 250 ft Spider web - Is this possible?, 1 by sofasurfer

sofasurfer wrote:
I was just in the yard. I looked up and saw a jet trail. It was strange...laser thin and straight as an arrow. I looked closser. It was moving. It is not a jet trail. It is a spider web. Just one long strand that goes from a tree top at the back of my property to a tree top at he front of my property. Approx. 200-250 ft long. Is this possible? What kind of insect made it? Is it rare? I took a picture and it shows up but I can only get a few feet of it. If you zoom way in you may see it.