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Big Ring circles billions of galaxies — Impossibly uniform galactic ring defies cosmological rules
The Big Ring is making astronomers rethink what they know about the universe. As this enormous formation takes shape, ...
Con 11.4 km de longitud, la nueva Línea 4 del Cablebús conectará Tlalpan y Coyoacán en México. Será el teleférico urbano más ...
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