Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.

### Instruction:
Generate a scientific explanation of the following phenomenon

### Input:
Rainbows

### Response:
Rainbows are created when sunlight passes through water droplets in the atmosphere. The sunlight is refracted as it passes through each individual droplet and the colors are separated, creating a spectrum of colors in the sky.