WHY IS THE MOON RED TODAY?The reason why the Moon takes on a reddish color during totality is a phenomenon called Rayleigh scattering. It is the same mechanism responsible for causing colorful sunrises and sunsets, and for the sky to look blue.
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WHY IS THE SUN RED TODAY?Turned Red Today. Here's Why. As an enormous Atlantic storm batters Ireland, a related phenomenon is turning heads further east over in the United Kingdom. ... Just like the way sunsets are sometimes red, excess particles in the atmosphere can change the color of the sun in the daytime.