GRAND RAPIDS, Mich. (WOOD) — It can stop you in your tracks if you spot it — a rare upside-down rainbow! This kind of rainbow formation is called a circumzenithal arc (CZA), and technically, it isn’t ...
"A rainbow is Mother Nature's prism," explains Weather Network meteorologist Kevin MacKay. "When you are between the sun and ...
The formation of a rainbow requires the observer to be between the sun and falling rain, with the rain in front and the sun behind. Sunlight passes from behind the observer, refracts as it enters each ...
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