ədiːz \ / ; Greek Ὑάδες , also known as Melotte 25 or Collinder 50 ) , is the nearest open cluster to the Solar System and one of the best-studied of all star clusters .
The Hyades ( also known as Melotte 25 or Collinder 50 ) is the nearest open star cluster to the Solar System and one of the best-studied of all star clusters .