Add Yahoo as a preferred source to see more of our stories on Google. 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 ...
It’s not often you come across a full circle rainbow, but crew on-board a police helicopter were lucky enough to get an up close and personal view. The St Athan-based National Police Air Service (NPAS ...
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 ...