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You are here: Home / Science / Why aren’t sunrises as colorful as sunsets?

Why aren’t sunrises as colorful as sunsets?

June 28, 2020 by Karen Hill

Well, don’t underestimate the time-of-day factor: for most humans, nearly everything looks better at 8:00 P.M. than at 5:30 A.M.

However, in this case you’re right—on most days, sunsets are much more brilliantly colored than sunrises. It doesn’t make sense, since most of the same conditions are in place for each—a sun in a low sky sending rays careening through Earth’s atmosphere. So what gives?

Credit humanity. Or rather, blame us. During the day we generate the bulk of our traffic exhaust and factory smoke, which lingers long enough to give brilliance to our sunsets.

During the night, much of the pollution gets blown away from population centers, so less of the blue light gets scattered, resulting in less intense reds and yellows in sunrises than in sunsets.

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Filed Under: Science

About Karen Hill

Karen Hill is a freelance writer, editor, and columnist. Born in New York, her work has appeared in the Examiner, Yahoo News, Buzzfeed, among others.

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