Why Is the Sky Pink Sometimes?

By Staff WriterLast Updated Apr 6, 2020 3:41:14 AM ET
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wazimu0/Flickr/CC-BY-2.0

The physical process of scattering causes the sky to appear pink at times and other colors too. During this process, tiny particles of light are bounced off air molecules. Wavelength, time of day and laws of quantum mechanics play key roles in determining the color of the sky.

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