FWWU: Why is the sky blue? First Warning Weather University by: David Yeomans, Eric Henrikson Posted: Jan 21, 2021 / 01:43 PM CST / Updated: Jan 21, 2021 / 01:43 PM CST AUSTIN (KXAN) – Meteorologist David Yeomans explains how light from the sun turns the sky blue in this First Warning Weather University lesson.
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