2011年诺贝尔奖得主是谁?详细一点的.1、医学奖 　　2、物理学奖 　　4、和平奖、5经济学

The 2011 Nobel Prize in Physics is awarded "for the discovery of the accelerating expansion of the Universe through observations of distant supernovae" with one half to Saul Perlmutter and the other half jointly to Brian P.Schmidt and Adam G.Riess.