Iridescent clouds are diffraction phenomenon caused by water droplets or ice crystals individually scattering sunlight. Here are such iridescent clouds, found in Gatineau, QC, Canada.
Here are iridescent clouds around the Sun, found in Gatineau, QC, Canada.
Here are iridescent clouds viewed from an airplane flying above the clouds.
Here are also iridescent clouds viewed from an airplane flying above the clouds, captured by my geological engineer/exploration geologist daughter Évelyne.
