21 Junio 2012
Trivia ciencia, ¿que se mueve a 109 kilómetros por segundo y se va a estrellar contra nosotros? ... vía http://t.co/xvxeA2Y9
June 21, 2012
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Hubble shows our own Milky Way galaxy is headed for a direct collision with the Andromeda galaxy M31.
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