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Chemistry, 07.06.2020 01:01 Tanya120

El universo ha existido siempre aproximadamente tal y como hoy lo conocemos. Es homogéneo e isotropa es decir, a gran escala tiene la misma aparienda, independientemente del punto desde donde se observe. El sol
solo es una de las centenares de miles de estrellas que forman nuestra calcio, la Vallcten. Y esta, a su ve
solo es una galaxia tipica entre centerares de miles de galaxias distribuidas por el Universo. No existe un centro
sino una extensión infinita de galanias

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