whats the dark made of – Big Data Zone

Question: whats the dark made of
- Keywords:
  dark,
  material
Asked by Oscar otto Evans &ryan Lewis Hicks to Rob on 19 Nov 2014.
- Rob Appleyard answered on 19 Nov 2014:
  
  Darkness is the lack of light. So a dark place is somewhere there is less light than other places.
  
  …and here’s a short story about it!
  
  https://www.uni.edu/morgans/astro/course/nightfall.pdf

Question: whats the dark made of