Here you see Friday’s sunset over Great Cove. It looks a bit like a painting by a jumpy artist who couldn’t control his pallet knife. However, those straight-line marks were neither natural nor accidental; they were contrails of very high-flying jet planes.
As you probably know, contrails are ice crystals formed by the condensation of water vapors from extremely hot aircraft engine exhausts in the cold temperatures and low vapor pressures of high altitudes. Click on the image to enlarge it. (Image taken in Brooklin, Maine, on December 2, 2022.)