why does the sun shine more brightly on some parts of the world than other parts?

Question: why does the sun shine more brightly on some parts of the world than other parts?
- Keywords:
  sun,
  world
Asked by Bobby troll to Olivia on 8 Mar 2017.
- Olivia Bailey answered on 8 Mar 2017:
  
  Thats because the earths poles (top and bottom) tilt towards the sun at different times of year – the closer you are to the sun, the warmer it gets. some people are always close to the sun all year (on the equator)

Question: why does the sun shine more brightly on some parts of the world than other parts?