what advantages would a massive telescope have compared to an average one?

Question: what advantages would a massive telescope have compared to an average one?
- Keywords:
  big,
  technology,
  telescope
Asked by Anna EM to Anna on 20 Nov 2014.
- Anna Scaife answered on 20 Nov 2014:
  
  Hi Anna – good question! There are two main advantages: better sensitivity (i.e. we can see things that are further away) and better resolution, so we can see more detail in things. Those two things really drive telescope design.

Question: what advantages would a massive telescope have compared to an average one?