NOVAفصل 38 جایگزینی تصویرشماره قسمت18The Fabric of the Cosmos: Universe or Multiverse? (4)OverviewOur universe may be just one of an infinite number of worlds that make up the multiverse. In this show, Brian Greene explains why scientists believe this is true and shows what some of these alternate realities might be like.Air dateNovember 23, 2011Runtime (min)60
