Everyday Mysteries Library of Congress: ¿por qué el océano es azul? scattering of blue wavelengths oceans are blue http://www.loc.gov/rr/scitech/mysteries/oceanblue.html océano azul scattering of blue wavelengths quite as simple blue oceans blue oceans scattering of blue wavelengths blue oceans Ozeane blau mavi okyanuslarý اقیانوس های آبی océano azul océano azul океаны голубые http://www.loc.gov/rr/scitech/mysteries/oceanblue.html