CNNE 770515 - el asteroide letal que no pudo con las bacterias
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El asteroide que arrasó con casi toda la vida en la Tierra no pudo con las bacterias
Panorama Mundial
17:21 ET (22:21 GMT) 4 de febrero de 2020
El asteroide Chicxulub causó la extinción del 76% de las especies del planeta Tierra, incluyendo los dinosaurios, hace unos 66 millones de años. Como el polvo enturbió la atmósfera y bloqueó el Sol, la fotosíntesis disminuyó y el fitoplancton de los océanos dejó de producir oxígeno. Las condiciones eran casi imposibles para que la vida prosperara. En los días y décadas posteriores al impacto solo unos organismos reaparecieron en el cráter.
00:34 - Fuente: CNN
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CNNE 770515 - el asteroide letal que no pudo con las bacterias
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El asteroide que arrasó con casi toda la vida en la Tierra no pudo con las bacterias
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