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- Rainbows are full circles, it's just that the ground usually cuts them off into semi-circles.
- To see a rainbow make a perfect, full circle, you'd need to see it from a plane in the air.
- Physicist Partha Chowdhury explains the right conditions for spotting a circular rainbow in the air.
The legend goes that there is a pot of gold hidden at the end of every rainbow. But is there really an "end" to a rainbow, and can we ever get to it?
Most us go through life seeing rainbows only as arches of color in the sky, but that's only half of what is really a circle of color.