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2015-10-15
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info:eu-repo/semantics/openAccess
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Universidad Nacional de Educación a Distancia (España). Facultad de Filosofía. Departamento de Lógica, Historia y Filosofía de la Ciencia
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Desde que el big bang se asentara como modelo cosmológico estándar han pasado 50 años. En este periodo, la cosmología ha mantenido abierta la cuestión de cuál es la evolución del universo y a través de la teoría inflacionaria ha enfrentado el problema del horizonte y la planitud. Pero fundamentalmente, ha introducido una nueva cuestión esencial, ¿cómo se han formado las estructuras en un universo en expansión? En paralelo, las observaciones han ido revelando dos nuevos integrantes del cosmos, la materia y la energía oscuras, cuyas naturalezas desconocemos pero que son esenciales para abordar las cuestiones de la estructura y evolución del universo. El panorama teórico y observacional se ha ampliado tanto que se ha desarrollado un nuevo modelo cosmológico estándar, el LCDM (Lambda - Cold Dark Matter). Exponer el despliegue de hechos e ideas fundamentales de este proceso es el objetivo de este trabajo. También se presentan dos reflexiones finales; ¿en este medio siglo, ha dominado el aspecto teórico o observacional? y ¿el modelo LCDM puede ser considerado un nuevo paradigma cosmológico?
It has been 50 years since the Big Bang emerged as the standard cosmological model. In this period, Cosmology has kept open the question of what is the evolution of the Universe and it has faced the horizon and flatness problems by means of the Inflationary theory. But fundamentally, it has introduced a new key issue, how have structures been formed in an expanding universe? In parallel, observations have revealed two new components of Cosmos, dark matter and dark energy, whose natures are unknown but which are essential to address the issues of the structure and evolution of Universe. Theoretical and observational outlooks have expanded so much that it has been developed a new standard cosmological model, LCDM (Lambda - Cold Dark Matter). The goal of this work is to expose the deployment of facts and basic ideas of this process. Two final reflections are also presented; during this last half century, has it dominated the theoretical or observational aspect? and does LCDM model can be considered a new cosmological paradigm?
It has been 50 years since the Big Bang emerged as the standard cosmological model. In this period, Cosmology has kept open the question of what is the evolution of the Universe and it has faced the horizon and flatness problems by means of the Inflationary theory. But fundamentally, it has introduced a new key issue, how have structures been formed in an expanding universe? In parallel, observations have revealed two new components of Cosmos, dark matter and dark energy, whose natures are unknown but which are essential to address the issues of the structure and evolution of Universe. Theoretical and observational outlooks have expanded so much that it has been developed a new standard cosmological model, LCDM (Lambda - Cold Dark Matter). The goal of this work is to expose the deployment of facts and basic ideas of this process. Two final reflections are also presented; during this last half century, has it dominated the theoretical or observational aspect? and does LCDM model can be considered a new cosmological paradigm?
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Facultad de Filosofía
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Lógica, Historia y Filosofía de la Ciencia