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.

Here's why rainbows have a curved or arcing shape

Rainbow

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

Why physicists are rethinking the route to a theory of everything

Why Are Rainbows Always Curved Or Arched?

Rainbows aren't just arcs in the sky — they're actually full circles

How was it discovered that rainbows are full circles and not arcs? What is the backstory and any photos? - Quora

Here's why rainbows have a curved or arcing shape

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

Relativity Institute of Physics

Rainbow

Believing Is Seeing: A Physicist Explains How Science Shattered His Atheism and Revealed the Necessity of Faith by Michael Guillen Ph.D, 2940177100227, Audiobook (Digital)

Rainbows are actually full circles. A physicist explains., by Ethan Siegel, Starts With A Bang!

All About Rainbows and Similar Phenomenons

How was it discovered that rainbows are full circles and not arcs? What is the backstory and any photos? - Quora