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At sunset, the sun's light passes farther through the atmosphere, deflecting and decreasing the blue in the air. Scattering by dust particles and pollution in the air causes the sunset to appear red.

www.physicsclassroom.com/class/light/Lesson-2/Blue-Skies-and-Red-Sunsets

During sunset hours, the light passing through our atmosphere to our eyes tends to be most concentrated with red and orange frequencies of light. For this ...

www.optics4kids.org/home/content/what-is-optics/scattering/why-is-the-sky-blue-why-are-sunsets-red

Take a look at light through a prism and notice all the different colors that you can see. Light that looks white to our eyes actually is made up of many different ...

news.nationalgeographic.com/news/2013/10/131027-sunset-sky-change-color-red-clouds-science

Oct 29, 2013 ... A meteorologist explains why the sky is sometimes so colorful. ... see more orange and red colors in the sky during sunrise and sunset than we ...

www.universetoday.com/77115/why-is-the-sunset-red

Oct 31, 2010 ... Red has the longest wavelength and lowest frequency and energy. ... is: At sunset, light must travel farther through the atmosphere before it ...

www.weatherquestions.com/Why_are_sunsets_red.htm

Nov 30, 2010 ... During a sunset, more red light is scattered toward you because of aerosols in the lower ... So why isn't the sky red when the sun is overhead?

www.mnn.com/earth-matters/wilderness-resources/blogs/why-the-sky-turns-red-and-orange-at-sunset

Oct 10, 2014 ... Have you ever wondered what makes the sky change color so dramatically? ... Why the sky turns red and orange at sunset ... "During sunrise and sunset, when the sun lies low on the horizon, the rays of sunlight must pass ...

macaulay.cuny.edu/eportfolios/sciencefordessert/2010/09/29/why-is-the-sky-blue-and-the-sunset-red

Sep 29, 2010 ... The reason the sky is blue has to do with a concept called Rayleigh ... an environment heavy in red light—during sunset for instance—and a ...

math.ucr.edu/home/baez/physics/General/BlueSky/blue_sky.html

A clear cloudless day-time sky is blue because molecules in the air scatter blue light ... When we look towards the sun at sunset, we see red and orange colours ...

www.howitworksdaily.com/question-of-the-day-%EF%BB%BFwhy-does-the-sky-look-red-at-sunrise-and-sunset

Oct 15, 2010 ... A phenomenon called Rayleigh scattering causes light from the Sun to bounce off tiny particles in the atmosphere and scatter in different ...