
Image via Karl Diefenderfer.
A sundog – a piece of a larger halo around the sun or moon – is caused by tiny ice crystals in the upper air.
Learn more about sundogs, (plus see another great pic of Karl’s) here.
Karl Diefenderfer captured this sundog on his way into work Thursday morning in Washington Crossing, Pennsylvania.
Image via Karl Diefenderfer.
A sundog – a piece of a larger halo around the sun or moon – is caused by tiny ice crystals in the upper air.
Learn more about sundogs, (plus see another great pic of Karl’s) here.