"Aún no sabemos si los universos paralelos existen": Christophe Galfard, el discípulo de Stephen Hawking, les responde a nuestros lectores You might have presently finished the quiz just before. Therefore you are able to not get started it once again. Quiz is loading... You will need to sign up or https://www.youtube.com/watch?v=5LF34uf-LC4