07.2_Ron_Smith_Boeing-777-contrail-Jul-a_1440w.1576078187.jpg
Rainbow Contrail —Ron Smith (retired)

Rainbow colours in the wake of a British Airways Boeing 777 showing details of the wake structure.

https://fluids.ac.uk/files/07.2_Ron_Smith_Boeing-777-contrail-Jul-a_1440w.1576078187.jpg