"Aún no sabemos si los universos paralelos existen": Christophe Galfard, el discípulo de Stephen Hawking, les responde a nuestros lectores You've presently accomplished the quiz right before. Hence you are able to not begin it once again. Quiz is loading... It's essential to sign up or register to get started https://www.youtube.com/watch?v=5LF34uf-LC4