how many light years away is space from earth

Question: how many light years away is space from earth
- Keywords:
  earth,
  Life Science Centre,
  light year,
  space
Asked by anon-271618 to Hayley on 2 Dec 2020.
- Hayley and the Mars Rover answered on 2 Dec 2020:
  
  Space isn’t actually that far away from Earth, don’t need to use light years for the distance, we can use kilometres! It starts just 100km above our heads! That is closer to the Life Science Centre than Edinburgh and York!

Question: how many light years away is space from earth