The higher your vantage point, the more likely you’ll see more of the rainbow’s circle. Chen Hui/VCG via Getty Images The legend goes that there is a pot of gold hidden at the end of every rainbow.
In theory, every rainbow is actually a full circle. The central point of a rainbow is opposite the sun’s position in the sky. More of the rainbow’s circle becomes visible as the sun approaches the ...
A rainbow is caused by sunlight and atmospheric conditions. Light enters a water droplet, slowing down and bending as it goes from air to denser water. The light reflects off the inside of the droplet ...