113 () posted 3 years ago by NaughtLightly 3 years ago by NaughtLightly +113 / -0 61 comments share 61 comments share save hide report block hide replies
This is a contrail from a heavy. It's an aircraft. Atmosphere is dry, high pressure, quickly reabsorbing the contrail.
I tend to agree with this. If it was something on fire the. You’d start to see pieces of it break off. Looks more like a contrail with the sun hitting it. Like a cloud at sunset