why does the moon have a rough surface?

Question: why does the moon have a rough surface?
- Keywords:
  moon,
  rough,
  surface
Asked by super star to Kate, Pip, Reka on 17 Nov 2016.
- Reka Nagy answered on 17 Nov 2016:
  
  The moon does not have an atmosphere so it has nothing to protect it from meteor impacts – these will hit the moon’s surface, leading craters that give the moon its rough appearance.

Question: why does the moon have a rough surface?