Just as rainbows after storms are formed by light passing through rain or fog, Wednesday's circular type around the sun, which lasted only a few hours, was caused by refraction of the sun's light through ice crystals - very, very small ice crystals.
(light; passing; through rain or fog) (the sun; lasted; only a few hours) (Wednesday's circular type around the sun; was caused; by refraction of the sun's light; T:Just as rainbows after storms are formed by light)
light the sun Wednesday's circular type around the sun
passing lasted was caused
through rain or fog
only a few hours
by refraction of the sun's light T:Just as rainbows after storms are formed by light