Earth after life

• Autores: Bob Holmes
• Localización: New scientist, ISSN 0262-4079, Nº. 2936, 2013, págs. 38-41
• Idioma: inglés
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• Resumen

  • The end could come with a bang--a nearby supernova that bathes Earth in deadly gamma rays. Or it might come with a whimper--a supervirus that somehow proves lethal to every living cell on the planet. Neither is remotely likely, but nor are they impossible. Life is far more than a trivial infestation atop the physical structure of the planet. Living organisms play a major role in a wide range of seemingly lifeless processes, from climate and atmospheric chemistry to the shape of the landscape and even, maybe, plate tectonics. Here, Homes investigates the fate of the Earth if life suddenly died.