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Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Can rainbows form in a circle? – Henry D.

A double rainbow also appeared in the sky following the death of Queen Elizabeth ... with only one-half of the circle visible above the ground, it means that your life is a full circle, and ...

In and around the Arctic Circle, stunning multicolor clouds have been shining in the sky for days on end ... "Spectacular" rainbow-colored clouds have been shimmering in the skies over and ...

"Imagine a rainbow that has escaped its watery origins and gracefully wrapped itself around the zenith, creating a grin in the sky. It is truly a spectacle that leaves observers mesmerized." ...