How comes that the sun is so far from the earth but it still has a massive impact on us?

Question: How comes that the sun is so far from the earth but it still has a massive impact on us?
- Keywords:
  earth,
  solar system,
  sun
Asked by anon-230653 to Tom, Steven, Jessica, Haafizah, Clio, Bruno Silvester on 12 Nov 2019.
- Bruno Silvester Lopes answered on 12 Nov 2019:
  
  because it provides light for photosynthesis in plants which provide us with oxygen…we will die without oxygen.

Question: How comes that the sun is so far from the earth but it still has a massive impact on us?