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.
from EarthSky http://ift.tt/2p6W06m
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.
from EarthSky http://ift.tt/2p6W06m
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