how is a orange/red moon formed?

Question: how is a orange/red moon formed?
- Keywords:
  moon,
  orange,
  red
Asked by malikawh to rhysphillips on 17 Jun 2011.
- Rhys Phillips answered on 17 Jun 2011:
  
  It depends on the way that light is shining on it and reflects back to you – basically it’s the sunlight being reflected back to you through different angles which can make these colour changes.

Question: how is a orange/red moon formed?