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La NASA ha descubierto un sistema circumbinario al que han denominado Kepler-47. Este sistema situado en la constelación Cygnus se encuentra formado por dos planetas que orbitan alrededor de dos estrellas simultáneamente. Two planets orbiting a binary star system known as Kepler-47 were discovered by NASA. The star is 1,500 parsecs away from Earth, and is the first binary star system that has been found to have more than one planet. Ver Vídeo Viaje de ida a Mart
