Though the 22-degree halo is the most common, it is just one of several atmospheric optical effects—others include sun ...

Ibrahim Al Jarwan, Chairman of the Board of Directors of the Emirates Astronomical Society and a member of the Arab Union for ...

Choose from Rainbow Light Refraction stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Video Back Videos home Signature collection ...

I once saw a rainbow form at the base of Watson Falls that was so ... at Rock-Bottom Prices Scientists will tell you it’s about water purity, depth, and light refraction, but standing at the rim, ...

Rainbows were spotted in parts San Diego on Sunday, with some capturing the colors on camera — but why were they visible in ...