It might seem like a simple question. But the science behind a blue sky isn't that easy. For starters, it involves something ...

Larger raindrops create brighter colors within the rainbow. What about a double rainbow ... matters as it needs to be within a few hours of sunset or sunrise. This is because the sun needs ...

CNN explained that pink rainbows typically appear at sunrise and sunset, due to the position ... the longer red wavelengths from the rainbow’s color spectrum to be refracted." ...

will feature the same rainbow illumination from 30 minutes after sunset on Aug. 27 until midnight. In the runup to the anniversary, it was lit up in a different single color daily since Aug. 19.