Question

I have been fortunate on a number of occasions to be fairly close to the end of a rainbow, 300 or 400 meters away, where you can see the actual end of the rainbow striking the ground. If you look through it to see objects behind, you can see clearly that the coloured lines are on your side.

The actual rainbow seems to be close to half a circle, but why does it appear to end there? Is it going beyond or is it still in front of that tree, but doesn

Answer 1

When you see a rainbow, every raindrop, when sunlight shines onto it, actually produces a cone of rainbow. When you actually look at it projected, you see a cone projected from each individual raindrop. What that means is if you look at each raindrop from different angles, it can look a range of different colours.

So if you're looking over to your right, low down, some of them will look red at one angle. If you see them see them at a different angle, they look green or blue or different colours. And because it