1. Mick West

    Asymmetric Partially Aerodynamic Turboprop Contrails at 25,000 and 27,000 feet

    This photo is interesting for a number of reasons. It's a propellor plane flying at 27,000 feet and leaving a contrail. One side of the contrail is significantly larger than the other. The photo was taken at about 18:20 UTC (11:20 PDT) on Friday Oct 23, 2015. It appears at first as if it is...