What (apart from the sun) is the closet star to earth?

Question: What (apart from the sun) is the closet star to earth?
- Keywords:
  galaxy,
  star,
  universe
Asked by Millie03 to Hugh on 11 Nov 2014.
- Hugh Osborn answered on 11 Nov 2014:
  
  Proxima Centari! It’s about 4.4 light years away and is forever bound to it’s larger partners (Alpha Centauri A and B) in a triple star system. Our Sun seems pretty lonely in comparison!

Question: What (apart from the sun) is the closet star to earth?