Like the title says, how does a rainbow exist twice? If we could see every electromagnetic wavelength, would we see all of those “colors” in between the first and second ring? What phenomenon causes it to happen twice and always separated by what seems to be a fixed amount/distance from each other when they happen?
In: Physics
The geometry of reflections inside a rain droplet mean that a rainbow is projected in two different directions, but one is dimmer.
From the drops at a certain height, we see the first rainbow. From drops at a different height, we see the second projection, forming the second rainbow.
It’s like when you look into a mirror, there aren’t really two of you.
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