Idalia’s clouds made a pretty sunset. You guys knocked it out of the park with your pictures, and we wanted to give you a shoutout.

While sunset hues are orange and red because blue light is scattered as it passes through more of the atmosphere, Tuesday’s wildfire smoke enhanced them by scattering the light even more.

And because blue wavelengths are the shortest, they get scattered more, resulting in a blue sky. During a sunset, however, light scattering works differently. The sun’s light has a lot further ...