Rainbows are actually full circles. A physicist explains - Big Think

Most of us only ever see a fraction of a full rainbow: an arc. But optically, a full rainbow makes a complete circle. Physics explains why.

Oda explaining rainbow physics : r/OnePiece

Curious Questions: Are rainbows actually circular? - Country Life

91 Photography ideas photography, double exposure photography

Why are there sometimes rainbows? If it were a purely scientific fact that if the light is like this and that then a rainbow appears - then it should always appear

The subtlety of rainbows – Physics World

Why searching for the end of a rainbow is harder than you think

Rainbow

Here's why rainbows have a curved or arcing shape

Earth Shaker - #MeteoFact Rainbows are actually Full Circles! We know rainbows are colorful arches across the sky after a rainfall, however, all rainbows are circular! This might be hard to believe

Rainbow

How to tell if you are seeing a full rainbow, half of a rainbow, or just part of a rainbow - Quora

Rainbows are actually full circles. A physicist explains - Big Think