volumetric shadow

  1. Mick West

    Dark Beam in front of a Contrail, Massa, Italy [Edge Shadow]

    This is an excellent example of a contrail edge shadow in Italy. Edge shadows happen when a part of a contrail is lined up with the sun (from the point of view of the observer). This creates a slab of shadow through the haze, and the observer sees it edge on, so it looks like a dark beam...