"Aún no sabemos si los universos paralelos existen": Christophe Galfard, el discípulo de Stephen Hawking, les responde a nuestros lectores You might have now completed the quiz prior to. Consequently you may not get started it again. Quiz is loading... You need to register or enroll to start out the https://www.youtube.com/watch?v=5LF34uf-LC4