Contact: Mary Beckman
DOE/Pacific Northwest National Laboratory
Caption: These cumulus clouds above Oklahoma both shade the earth and make shadows brighter. The larger ones have a distinct cauliflower shape, providing even more opportunities for light to bounce off of them.
Credit: Evgueni Kassianov/PNNL
Usage Restrictions: Credit Kassianov/PNNL
Related news release: Effect of cloud-scattered sunlight on earth's energy balance depends on wavelength of light