2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/128957The creation of spacetimes with horizons is discussed, focussing on baby universes and black holes as examples. There is a complex interplay of quantum theory and General Relativity in both cases, leading to consequences for the future of the universe and the information loss paradox, and to a deeper understanding of quantum gravity.Not an "Honorable Mention" in the Gravity Research Foundation Essay CompetitionGeneral Relativity and Quantum CosmologyAstrophysicsHigh Energy Physics - Theorytext