how does the sky create a rainbow?

Question: how does the sky create a rainbow?
- Keywords:
  rainbow,
  sky
Asked by bongybing to Katie, Giovanna on 16 Nov 2014.
- Giovanna Bermano answered on 16 Nov 2014:
  
  Not my strong point….is it when the light from the sun is reflected and refracted (change of direction) by a lot of small droplets of water in the sky?

Question: how does the sky create a rainbow?