But there are also many magical kinds of rainbow - even a kind you can see at night! Moonbows appear when water droplets are reflecting moonlight instead of sunlight, though they're generally ...
The different colours of light that we get from the sun What happens when light hits a raindrop Why rainbows are arch-shaped How you can create your own rainbow This resource is suitable for ...
"Everything needs to line up."  There are several types of rainbows, like double and triple rainbows. How said that while fogbows aren't classified as a rainbow, it has similar optics.