Simulações sugerem que a atmosfera rica em oxigaªnio da Terra durara¡ apenas mais um bilha£o de anos
Em seu artigo publicado na revista Nature Geoscience, Kazumi Ozaki e Christopher Reinhard descrevem os fatores que entraram em sua simulaa§a£o e o que ela mostrou.
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62qgws1iAuDeLakQzxGuJxOpAJNf1QkX1EqZp7S5jeAUhDjOq22by041HkbgdC/iNlzdPNc9j1gMQTc72ePYeVD2ApPuAc9HrKG+j7NCc/nwnuTYEBfNOjatrU5pr5sbKokHk+1H1KPVnyElhzlSOz7r7OY9Tcx/OxuLi2yWJgCKZrZQ899IQsLmgWysnA0E/fDTzj373/vMR1iBDsfPHK9DDqQd4rS+E8u6jsKdQoaU+CJNQoxXr8rL737f3zLLkLdY7yXaIsRjKjqiNMtPiIdOxTM+5Po4LXLEuy3wmXI7zn65wocWddZRgPRAqCM6qekN5nfO/Z4ZC27N1OB+yeTalGExUc6/f8A46D2dens6xmMkAqRkWjk90IXnN/YwmjtUUqSehjP/g051pAtVaHXxcoexCKsdjFl+SHONLeqrrboH2fUfXUekAYTzmoqG0VpqL/ymBSQN9LwEgl7dYhPCNLOJDOSbu/aWlhnrjpuZX2BBNJNY2Dt6MTxbBHHA6ycYQMrHq0Qf/z+8Tshe/qNVUbRVYQ4pALYX/4QZfCU+KPJMNLDg8z2TRTTeWpATTMCEW8nfV+cihtrhDLHESz31/z+RcGHLCFGEMPjgh0714bVanhrnill7/gTaVPntpHcxyz/ANv/AP8A4xyZAIPPPfPPSUPDCirpudTXSTfzfSMqTcQ1kqIfFw6/29/7z041/VIAPPPfffeUMMcKNimg18xWYVRTOfR0kPJPFHfy/wD/AP8Aklv7z54UBPPPAw1ffcUPEdONPDGtiukmqlknyw9FMHdexw09/wCx97//AP8AzBffNfAw4Qy4gQQAARMDoFsnlmrtStA5mpJFOIPQZx388NM8dVX/AP/EACIRAAMAAQMFAQEBAAAAAAAAAAABERAhMUEgMEBQUWFgcP/aAAgBAwEBPxDxJ/XQnoJ4EJh+hnYmIQhPSTExCEIQhCEJh+TO1CEIQhPSwhCEIISIToEIQhMP0UwhBISF0AwxBjzCE8pdKEIjFBI0NDQg0NDRCE9EsIWCICC8KB/YV5EhLkZPGpgmcibyJ/ImEF8mlEyCESPgN9iLeEriYUNBp8IGmC/0Nvpa5HsGfQLfCe6Hd2cgJGVPxYRvTNnqHs0FyOjFj4jEJNDo1SZ4kNM/RBtwNBqJK7jFsJ7TNkDO+htDEjL3KUhYhO2o3dwSP9JBSwREQsQg9Bwb6HmFGTBhloIYhihut0F+o+KGwsSPtNUcziVblGNfBDcSuMEEhMTExZFGxspS9yDDLVjRb4GLVC32o5o9BAvSlGkI/AF75JFISEsXCZS5KXuvqhBl4ShbgNWiiXRidEoWtEOMc8KVCXTc0pSlKUuH00vdgwhiCwxoYnC3Ki0IXWvpINGWRdUWFInrmqVRD2LV7l86+Le9f8tbP//EACIRAQEBAQABBAIDAQAAAAAAAAEAERAxICEwQEFRUHBxYf/aAAgBAgEBPxD+1dttttttttt7ttttsejbft7zbbbbbbbbbbbbbfv714ttttttttttttvCPu7bbbbbMs+oDbbbYj7zM8X0BeD6LKcCI5ttttv2H0MyTsomoeIrW1E1lCQIm28yz7Tx6zwS0eOBH8QpJa8zJIgINj99CEnIfiyve34M+XLLLJGS28A17fMQ8JDILJA547CIgP6sfqx+oLayKWgfEhJSj6o3kAe8KYHggiO/9vBhkXttvnrph/KTN+egUUhiFfkEwF8TEKxPmG8wjZ4Bsv8AiUvEeekszbCwsegbzeLeAbeClKQ4S75C8FMeIHwZZxEfN4b3tf8AL/uSniR8t7OLGSSeDCZBBZZZB6zmxCFOgInkI/DkKPRm8gj3geAh/N+nqsYttnGyz0D2evPlEPREN+bw8hKTwfcwnhI6mktvcs5llllllllnCz586MTDq6wMge3RVlstvrzmWerLLO5Z9IYZxcMtpf4PPjWWLK2/wGWerPhEf3OerflC/8QAKRABAAICAgICAgEEAwEAAAAAAQARITEQQVFhcYEgkaEwscHRQOHx8P/aAAgBAQABPxDqXpUtgobhnC4lzFe4ZC9aIoKFp1/UOTGpbGdajTm/3DI2fHHzNslkTMxWFvvkLvJgmZdnqJKua4t6eG1ywM746uNUVesy1xxoqxv8GuoqtuWFrn+Zp+IEUZS6gWgR+Z0ZlgqW1V8Bbv7gW7nvjWJV8rdYqLf/ACeqhpuXiuAXQfLMV74zs6lNXO88Vb/RDn+/AF7B6lKXWIlNf2gOZ6lYgStcZWZcsqVi5io7nVSkL6Y01RWM5j6IKXrPG5VGSU1xUrF8FdxMX3cpWktmLbdB8Sua4qgYblcdQhTRcQC8je5s1BpiyrLlJs4SvzrF9Tv/AIDtvgLnXGl4iHZXUav+CdTZxeOfE+JWfxaxXjPAqEpJeAQxLl0PpLla+LEVoTyXKirWsFYIbnamPXFSnxKmK1m9ys7lcUQFcfMt1f1xUqOXBR4huBaR8Sp0xSijW/cxZ2eo1eODLl3GhZU8wLd1+FYltUkOEKtGb7j+5UC2psmOGVP8yzpnzGdbm/UoqWQ+ImancyYv8qxxviml8fj6n1HLlvghQaMeS4mWm4tviG53mFXma09cJYOzxni8T4l5vXGuA/DuVmfErOYF6hO+K4z/AKiZzwyi84lSokquK2nU7lcVdt8OAMLNb4W+QErqm/EsFnQNygF1c1rM3AX44N7qfLxS8a3KnyVGup1XB7jh4fUxxvHI5uO5TqJWErjH3x1xkjxtxKALeZ174+eDeYIGr+YVedTorfBnFZ4spszWK4xXuCoC11XcrjbMOKIcVTkgRyVeanxDeYJvFmTLwkqUk26oy5/+xLtvzuJCrA7qCn06Xsh2EPUCFZu9YpidBCADYwkqVCu/4lSr0SsSpUqBmdyrmJUqFiJsiNWrL5/CuH54NxKl4Lxeo+ODDZDLI1XXnhNgUvcSoYb3DSRgKLmjcdkujupi13fUTxz3Crz/ABMeJi/EfmEa61xbVGI2uXMfnjIUa7qJREl13Ey1/HNYxUzy1iCU4+JZ4/BKUEfZKNVd1m/MrMVTN+I10xAER9RJaw+pXBidS825ZdoFrrQmKd31yapiHrNVMVKExeIBi2OK/vBhS7BvfFFXCW7MXdRC8xdfDKDFsvZiUZ6haVzUTOcSolKPXiG8kQ4dsa0p9rwSvjisDC/v8ExcrF2YjoxT3DZeuKiltrVamIUDZa69RDq69zTNy9KN7mjLWb8xDagPBHEvt/7HDZ8Qp5ERCNnqV5maca3G1tnrm2qnUdrOsyoFmwUXnv1LxFbVg8VCVGsTbBqXjU1nubKCUpv6inROqhbh31EpplYbhjgVBQWF9sp1NBap98PzOpbVT44N51zUoRWPJcSnzwRrNCZwX1CzuuuC9XviuKlYIWPshi8b4CZqrxALzLFg1dXFSNYasbP3KlSuElQuqO/UqYo83mJXzK4qVKlYytSvJlr1KN0RDo4egHm+5XJFG8iVMDqyWq6a+J1UBMiNiRYFvmBfjE28bllvRuZLL+aeH4jXX88dzOpc2xoxKUhuVbggtIQq83MymBcMicnUV11DHCEwCivmBS+/c7h3F+58/i103x6/OpWLqBjfCA0ZIExZiZcvxDUKFsudR8MARtpDHuA3Zf1DCM2sqCgCs+SVKlQ6Np1nAyvUqVEY+PNypWrnSUZlSsGfqVKlROE1rUFsmvL3K5a6vgqm7vqCwAr48xPUqVK+KjdVK3cdzuOFzfD+fUoFUvz+OnzLmmNRc6qdzZnqdQFLZ8S8TWY6nTOpUGpnCnxMMzCRP31xip8xb3Kd+YiVN7/GiLaPMoHyQgqQts1OsPFKIr5xp4omarPO5UrF39QumvuWBQZpbu/MBYEqBL0phaH/AO+ZUrxKltGLqVKnjGokSVKlSis3AKVv1XnipUqOuKnVSpUB2RbA8epUqNkczvM22ypTT4lNXn3H7hin3qNYqJtLqV+FSnHhlM+YBm349wU14qdT5hQZzHzDcC7L+MblY1NHWZo+Y34xLvik6hcxFNGp8am+DCLT6Yq165tquvyrFxl85gCN/UI1bV11x3DXFd7n9VDT7iCQiNU7lhpMjkYjtKHJA8yoGY3eZUDqBnJeZXmBAgSpmUQC8674tlWNXK8ypWJUdRRsQD18TJsg5PMqVKxqVMXwCtG5XBK3fDM5cxzmv1ybzGqKY2Sm6u+eq/APfD5uX25gAgbaexBRuxrHz+G3gL7IOfHuZTc1UtQHrUBVBfXGKvue2bjCvnhwzetypt1ALmvuO8EdysfkDZDBt/EgcYZxfUVTIuWOcl+7mpnS61KgcBKlQJUqEqVKglwL8Sp2C4NlZlSpUqIKz/1Cy6asqJKiEqVKlSpWNcK4XcudQAQWnZKmK3mN/gB21DBu76l+Ct6zGrxxrEJpyfU71LO6AO+Gvwap9wiZqpkxMTXeJS2VdRvuBjZDAxbmPuYgQIdwFuotzvhKdjxUqNUV+HWoa/vxj4lWFG/EpqNSyvnEPXFYhh4KHJcquO4QPI8+45cFeiVCyAWsCVK4VKlFYu+5UqJnVSpUqJEjhuJKlYqVKlYlSpXD3weKGmvpuVBart7rUbZ3KhVnS81ufE0yrtxx3xSyqZSvlhQZM3jMd6nVzNY1HLeuHeHHBYNadxw61O7moo1SsZlPqY85lY7udxzEBp6myVj3LwCVkzHxEzDVvFHT1zWLlQma3iVC1LD5hDTjPWdSrOiv5l28XrRKDVVX/kCo0PNcVAhqBeDLCBwECVAgSpTRuupUqVKlTqklSol9SoCmXlW5arqVKbNWeZUqVKlSox/UZSuDhQtaur4vTFfHPec8JXeeH8KnW+MJembl9RUPDcFO6jOo/qajnB/eDm/75m/UqbJ1xk0wy9vnqdXwYG+WvMC3OIaC239xKaw/EUUg+ydxblrx3iWmOpahiXiBKKKu+5UqVi+/ErjAWb8VKlY9yoBZd13Uxb4lZqGMktdqyoECFgnncCVAlXEe1a4HIfwCowgqm8RPESJww63KlRIvD0iWzWnj6v8AxMawuM57nUTMqImMyuKlTT45bcufnn5Sn7JTu/8AUacCERWu+GurnU3a2vm4eHB5iLMHxz3KzNypVWJK4cs6rjE0y89olqiISg2Jslq2uZe7y+eLAHRkJtAROwneNQhwDV01q5YLYVnPcqVLG5gGjfXiVKUNitleIGcymVAhKWWY9Tb3MGybgQOBBBNfw7xsssMJKZoxYtj8S1XUUYRO6ZTKxGLGLGP8x3zWJTKweuAK3b6YalTHh/CvwoEu8xVQTWJaalt7gYVqftlXzvJRXCGMtZ474v1Orp3NS8Ta/wC/B5uEoNf5iziOcxAXN9R3nzKfG+PC/riqYoBVDR4lYvqXpRu7jV4v7hmHiEIfEDhkuhDzE9VA3Z4lSvUVAFsAHuBAniBNqhV9QIQdOoSc1a2k09xi8KopZ44WA6jCcKlRxF0ruYRjP5lSymsG59SomWW+i7lmLYwdsquEq0NVgqVKliZwvXudIm+5X4+M6nUQ6v7Jhc69EaGjPNtQxmX5lWrghO55DM7zLbGruuCG+Ehut3FhnDFXbD3ETczXxwUWtXIY/iYtXLNblweJ0udSjFU95uBZa30VuFGy8SihFvuYhCUsss8Qw8FQOCgFEHWN8TFcYhFSrWiAWXqBn8AbXEPWGeoJ0X3PhxfWM0amXhcZTZBLVQKIq9saBKz54f3RzBAosHJdXx0l4lSpUqVKuViBEiYidyomJV9yuOpU63/HGijN4uJ37iFtWl7mH5iVLei6gWLH5jmMr8K76lPiEr1BTTuNqvmOqiwzMkxUOq3FusBX8wUv3iVAt2HzMRvQu+LxVHzEkodBbr74NVHBm7LgtCwvt6ldQOD4hCKooMKYRc2d1UWBYl5Pcc2iDiN0XRcFPq47ZdCcmYek+EfSOGo+k9c9U9c9MfWMYH4BGJEF8SuQw3V+omcFRP5lSuXl5Stv4b4W48Muo7WVEtrPk5/jjZ8TFl1qLYAoDHOuH1HBqFU2t9cdSoDdG4di0SkfcqHznjuVmdyoe4Y6gQLmDW4SpUCEISpHDXmKZDX3AvHeDh6TVip5JplwT0Q9J8eD6T0T18XolENcV1NomcmIvHuWLPOGODB88mXglFRI+2Yp8xYsWXmyKW3tjw5lYvqM23fDFauM+CDjTJWuOo8biI0lMc8XibOF7i24K9TFc4rO4W4J9RGI3KnVS3lfEBq+oOS4pejHQwUGg3YjmXCExXuPahaLa8QhAzi76lU0wIECEDFxKasagQJjrgr7zweuWbILqHrCMuqiHXHZD1h6z4RdaiVPRN8EhhiMW4wRU2r2x9IyyiDCrjVRYsXxFix+J1GI+Km8zr3y75TjNQXgALguIIImxmWdyvfCqt46nWp7nc+fw+oFyq1uAL0m5eKiLzaepZnp7/AQC5Ituq9SvcqFY1m93KeK4JlVy9scUfuDBK9wgkKmBp3wBAhASBAgQcLxCeedqaioviKdSrqXmoek+EoNT1So1PEisyKie56IBBQYPUz8CouMsqqLivEVLjdRV6lpT4lcVKlW8PcqUn64TFw3T/Ee5dRnXGvHC2e4Hq/wfUTUxFFWt9cLvEMPALbBVhidQ3N23Cu43i+MfgahCu79QIVHJyq8XA4SmoKhprV8g5oupecXM2l68XBgxXEStD0yvngdSxwCbE1DxgeJWC7JeYIqambMH1BDEMjpl+p/pif9Gn/Q5/0KPlfqe3+pb3/UfN/UX1+iDm3RfUBtfqC7fqD7fqAhPaj5EcbqUPmMUrV17IoiyVK363Bq9l3ecyxtTMx5hS1iOWJi9xTNssi1XuWAU/8AUEzeYwDxO6piB7HmFXh7EtMtB1G9V8y3qFeI5TWPHiVnEStMGZWP1AueQlayZmtnCKzY2Mu1XPGnMIRKreS8kIQhCYzUIdZxxt5l5xCFVCqg3tgBobL35gF3BTUCe6DBQPTie2AQfiR1AOkp1+qUMBYyF/oijkfGI+i33AQOXzLuKU+zEF5T3UoL+kanGDu5rAbtb/EyPYHLh+JTL9f9MCugO6H+Zkgf/hhgl4o3d/8AESqp8D/qWl/IVhgq/Fzuv6/6xTSw6o/3MUNeEm8v3DGLfE7jOyQm4sZIlYWWZiLa2xUpiviFuDuNjUvFB9x3wqrfHFy8VDbc6hlyxGqKaOoF0Kr3Hx4g0sRTxLjgqI1fCGS/ua4TRU054B4QGhuamLahuHBCDLgtC7ol4hF9cLmLxBcZMl7gzUuA8eoLwIjNxFR/Ud0yihQLPkzQL8Zm6GeMEvl8XDIN7hXuCzCdLgPZ+puF/cQSqxswpDKqjcO0B8AxS34C6j2foDMRbRTqw/eZeqS3tE0UNEKP1rP/ACY+a0hTF2B5W/wymC8iNj91M11CP8GP8xrCOqKMt/tmP7MJwPb/ALJqlfB/tFKo30IxpT7mf3lC18DmVymzwmD+QMrhA/EVv+4qXFOb5SvoaboWfqMbNSjNSw3NDjPmZlgbYeorRnBLsu8x8vcxXvhEsxKexpg0J5lNg4uVS7i4CNVhniWVQFFfMso8z7gW51LpxKydQoczN3v3K2uDFnd+JfJvUVW6/iFjY5lMuizW6m2S4qsi6z4gAZu+pVwCNgdmNwG4u6rMD1AiseN4ivUR1Kax+oSPzTAwvpoEr3TmHfHw1DuNzVmWz3z2z2S8mDEeNxjv+8of+xjT/My1Uem466JYzS6LZlUD3iUPdASxj/73K+Ojyf8AEMp1e7f7g0n2pVg08zA3WvTKJK3rcwxc+oK23z2THUmQUudaG94ir/gYe9vxe4FRvBcCmD3Z/EOo/gP+IGraqwxVSPJ2irhaza2oFra0AplFDxhBuKHT20i0YR5Hsv8AMIz8qNJ/ENdbmxjZQp1FeIolazLA1xlxup3FcCtGjxKAu67qKXpg1eWeIzeeKKuZaCKhbqY74Nyq8MogZsNZmFth6DVPuINlkpB0dTcbWXYKCjruBCwtmOu2AVpu9yonTbQpBbWWzb+8IB5XFeoviX1H0IkCSjot5lf6JAxifay0Xr/96iqoRd3uDiwUKuX9zVmYKCJ1wvZPMlh4ipuedg9kB1BMm4jsuBpaZQP7pKCg9tbgnDfiCU3Ucux7lEqg/ud656moXzERCpvuZzdvpKZ/iEwxeI5hOYzFfylmGoQaLP3L0tKaTsmbZ4uPUE95geENlSsH3DUo2wnRiCBV1QwGlugbfzForvSEjVgqZDECCrMPUOwvpuC02P6m8abGNGM/EAq2w+z+4Mos8kwKsamwhTqLCiZxUD3x3mZ/UPMxeWCt0XjOJZF7z4gHtY7zErTcO53uVkqYvxEScZyclymCmRWDeLnVRVAdBRMQC6WvmEuXLhhgLFl/U3JGDKEsBIysNFltX+4kmJpN/L/qPghuuX7iy7N7lOlXi4UK1fuUgz1DLP8AaXMFQTV56Z6z5gPy+IRgjDEStzEmXcWtzyMvvM6UaruDWl8Rt2fbEZpfA5i1AY9J/ubyq9wBkEiDD/cXuyJGD0wnmYgaBeVmA0+CMYEHtgLb/CX4V8QUrUtDvC2oD1BurI7zDslzamuoDopV+YFXzXjMbvJ4MxTJhsXcFKz8QqaXwRov9QlkgPAwq2HxiMa9wZo9JnKn9wLVvgzBqK9HEt1Z5IZmZ8MKRceZ3B/sme+hHP6j7b/UezCHUz3VRK1C67nZeR1LrVwtrXDMViNdQrud0TF6hlzqY4GuoiLbuXLogxwo9TqWVLJcLYNnqmvUbMpQNB7gD5Q1MmXyFP25mivVz+9xoodrcWuD1ELVb7tgnP77hNHfl/xErLqJlWPczQP4hFiohpJEcC+yUVHXzHNL9ELQz7h3JWtrFrhjU3Ou42VcSWqjWWfc2CM4Y04X1igWHa2xDRl8GE7DMyOKlq6r0tzDwz0fUNjIbDDbsZbRLG4SYY0yxoRA6j4RYFzEZ2jKBQte4XpvDyRUrSeGAdKK4SDrz9zajh9TY0iULYRbvYywq9cscVPUGrMbolvV5pg6Y3cqEo6eUIGzpmSXZhj6Vv6iuhX7xC+fhZgyHjP/ALmEbHvIh6+tN/qKtuKZK+o5ZFDKchn3DKrqYKMLxdWHN8Dth64KvOeFtvglADd3sOo1eNS8Z3Bw1tu/8SzeuHURURSLKoMdgt/ib8z0xASFQG3z/wBwRplYF8wWfWVg+CEEQ7GvDB/ti3Rd6z6DmAyVAxiQcTGqKP8AbE7bMbvcFtLehxFGNxRlfuU2y9RWDFwK5Upip+4OQ/cGyY+7DqTBlgBo3DFkZq5fQV6dwCgsINUjPm/qN6j5Zil3FL0RF5SUOCUP+kMES44RW+pcR3BvuNTX7iMQ7itjT5iTd3cFWtviEAWeiZ6D2QkGEQcOHqDWN/FnYT2ueuEWwUYrCFwAXnyNM2hZodRixT1UF5sPSMys78Mc1J6ZbDDyhr6mTX7HEoEX9Tpz4igGU0u/3Nhr4F/zuD5296R1fyFcVbcQ2RDqKfqY7m2XU2u2NhR8sMxZV1At4uXBuJV+IC3WazLrMtYCrXMZ1F6BiplKyjtVTFF96j/7Sr7jY1O3EAKBSZcH0bmOSYAlfAYPlls3ZCf0Jcf2AVYD+DUCquvR/O5bkW3bE72y7m4JbuUZjDQhjaubUSnA2xlMxBlQXS+pe7Uy+ZRm44NTWI9xoUMCAi2vOYKFWO5erAiOVgHcs6iqLFS2YdTFu2Id3B6Sw7h5LEuo9JY3EMfK4/EdYjTETUfIuX/5EDCxp1+pkcYYMwbl4GVEoQtOpUDlfiDOw9kEVYfUwTrpjhEnVxFsm0oDvXkdyhpL9zCHT77niV/mOgoxRgopyOzFwJeFbl4C+YqYH1hX7TKW3p/mMLaovTDnUWOZ6T7mMvcbIe9RGiNcMRQPtlYNlvXiAzLu94/UBlSI6bIiXLk4imIoVi1MHsY68dyMDK/lXX+oUJX1eV+D/wAl9WOErYwXLuZEA6avME1vWgAfllACr0P+YrQo/aCe69BKcEFG8GIM1VxeaCAZFm82/cvxzKEZib4YX8s9IhecRahPkysZZEOJYVb9whtLimUWppFi+4vhi5gjXcU6uWqXF+3gkXcv3MZ6MRZcs7IiPhBR3N3co9zHsiD1NdTANf2mUF/7CO0wBphY7ihn+Ih7li2QMHcrWw9wYyt+sxB/YIKqevMTWInmnrZDxZfmHShT64FTr3kR1OebpGW1E2IpKruYG7vqp3ni2qmg2Z6uOxoOg6OpZXksU1TcQAUqxR2lECUp96gdD8H/ANxPBXZJuIbtaIPjWrcdqNutv3uIRQ9yALvUdX8rDv8AHrliPk9MSscPuZw3qI4IH1cNyTLAQRa5iVVyy4YrtYnbAd8hjMoYbZ0wzzG/PZlzCU7Yy+0WLLixqd7iy5cuX+BglzExGYj8zMt7jFlniXMjEL9xvuXW5dalPzLTJc07fEtgL9wba/UKpd1Msw24vPUEx2lgtXOs4jGHH8wqwB3e4iNP9omKnq9xhLS6Z3wdgP8A3LlNfPH6R5FleomxFErOYe2BY5gliuiOlKAfMEDfBzXwSoaOhwJrV9AZmKHzGik141HqcGi8EBe52EfOJ09+YU0aXcqNToCVZAe3Ky2JKjO1WDBhGEXRAHc2jnUGjc3hJaEFCUqDEt4ZfiF+pcuKy4xZfmOtz6lx9fhcuXLxqWzczKZTL4uWSifqZeJQ1MeY23Ecr0z5EMsCDNql6oFjp0fU25v5hbkl+f3LuLZ7hmLT4huMH1MFuvJEZe/OoS1f2laN3phu3FGV7RaODpYOJf7f/PcOaF9f89xsKV6i2sisVdRUBQVITVJHXLKz+Cel9Q3CU7W6+JR4n7cxlYiApg89sVWCiAKEPhzM2V/cAs3cV5XUaFbWCOUPMTJly6lOHz4XBgwTuWQgXqNe427lxZcvh1vh6y1cBy7ie4lxOXi2Ky2ZmZT1Mks7YA6ZaWnctlxFKOpTE9xvzB8lyyUoAYY3qZ9zcVQULbuVdte49ruXX1ALhQ9T3b+Yg5/cwZy+Yyb/AJj/ANkWKSkWw3PXiO7v/MBbQ3nUKjCj1EDnN+UbQHtKydGyvhjth7WyUNG5VfCyrElHwH9osvvi9RQBKz53F7qjzBShslJQ+4i1Ru5uZFmYq7QDyzuhlDbPiCdtRIvfiLYscKIcaly5eJcvhcGDwfM6JfC5cu5csPbyXyUlJSEq5cuXFly4pFJfrijzC3cqVKlxSfcz5goyzslniIdMfCUNwcblyzrEYkAvMvlFkSuoPuXUHu5YxsOafUWijJKHp6YGv2MRnVvLB0/sjQ4z8f6isk04Yiea68wo2UPmaABhgFZ03mU4H8CH6F9r57i2gaGAjlpBsrfFTBoS7dqC4M0sI0Xg9xHKxbz+pcag+s+Z8zLFYiuJfBLl8G5cuXLgzKDMDjbgMuDxcuXxfFy4MuXLiy5cvi+WC+YsthCoL3wv3xqbnxxXcrxMyr2RDpqIIrLiu5dOGDNXcpYrxUSuql1DwRrqWJXiZltV1wUt+y5a6P8AeN9fkJba+Zeli/ephP8AaAmVr9y1Y+TFW4J4RFbtZY0rfUdUNEtGL7f1OjRG23EpiWO5S8RZfJL5vm/wGXUuLLly4MuXLl8XLl8WwZfNx4xK/F+JcWXLlwYt85meF3LntDOl+I7dZgvmOWVAleOEMGXXcy8GPhlV3Cu2Ydx/SUNz9TO4tM1KWCD4IE3iC8d9wV6p7J3iQQNfUFpfJ7jLUx0uJgBBOh/UTPuEV0NEUaRUy8Wy+SXLv8b5CMOb/G5czxcvjP5XxcsjLl8XLly5cX8KlNa4q44cTFcZ6ZfmL7lxb3HgZWbJv5jh4qEzNdysQUdEz4g1oZ1o2QwUcQWupoOL8QotpqXfiprtnqW/wXLyLFwmDcWCGWV4CezcV8XL/A/pXLxN8XzcuXLly5cuXzc++ElSvcqF/gz7jUzL4eGGepUC5UuWdyzqLDh9RfP5XBl5lqeY/H4XnUtBzLrSxWtxRhYrIiDYamSmNFmYG5+4FcI9RlBYfMvasvbNxlmtR4dqzM+Y8XzqX/QuXwcXLl/hXBxfBKlTJxXAq3ERhbLR3Bud6jS4lRCphKI14jM8MuYmY3HcJcs4ZeYv43L4uXUu9xJX42/gLeGN9hAjFNQxkqaAT4jrljiN+DbLogy+Tm/6t8EXjPFYlck6/B7TE2yoFyzUTZqUPcL6izMB1UpNym5kLSV8T6QhPqMfKAE24lXmIaIxPPFz3Klfnf4DMMTm+PiX+PcGXcAKKlkuP/Hvg4PwpiTECHuX7i4le5UojjzwGoRZipaC7mfmFxuZ7jbKbzwL2YlOmJ8pSRS4tYJaAwqohV3EPPCkJcyxH8L/AKFy+K/H75C6JUIo4Jkx5r+vf4v46hzdsa8wC+C9dSoQtlUbiJxQwPJKswVC5Yd4m29xWoeBG68S3uAi+CKhUYu3MQ6g6XE1AF4Ar7jUvPiPm7nxl5dysxv+kr+phPcIKNmIVTe4jIVLrUYbnc7/AOMcjOockcwJVwa4A8sfBlrLoqXmFVuUeZfWJnRFdSgPcq2NiJG3UbAxKBq4/WKYMET3HXiZG57lppmVy8NrLeY+PwuLxX/BuYZUqd3FeKz4gi4a9MwGCnYxqOY4xFh/wa/C5cvgvm+frj0lsuCS7hiL7hdzOglpFXUockG47gucxuMtzE1VTKVomG4+0v5gr3FYOGN1wTuWGotw3AOLlv8AxsS5ebg5uiWeE00uImK4qVF6P+Dcv8L4OB4sly58uLly+HgZpdkxpm2rhY7ik9S1MMVM9MtS8BFpm2CtYjQTWWeCvfG9ypeY1cuHuVNS41L/AAvnEf8AhXw6b2S6ZSZnojQxuX/xz8b/AKF8dwPHLxKupWa8xwVFRq4o9xL1qY/9mMuZtLIOJeJdwPudRmI8BLqGf6eJX9br8dhd+CC26fcBWBo/f9YPwqV6lV+V/wBS+bnzMfLFggyQTbEdRvvUuqzN+5a7qaZnYTUSaY47xADPVcNXE8RONVHf41zf9Ov6xApdUf8ACq9QMTr+jf5EC2VxUqHuWH5lHaXKmCEGIl4hcrzK7qKoBjSULUR5xHpjJZiHdcwH6iiQLuAUVV9QLqabjnMeuCEMJElSpn/gV+FSk4qIv9UWKwWxF1BRExBfaOI33K/qVyQjK4Nyw8RoPc2xOoDFrUxZP3KvqpTqXK7mTJAzozP+1DoWREuniJ2W5dLuaYVFZpLz7ir1qBZP3KpsYO76jlFrGruAVKgfLBXHCX8RA1KQcQLl+Fpbj0lSpUqC4uVXFcWFrRL9XPNXG0GTwRLa/UtP/9k=)
Domanio paºblico
Dois pesquisadores da Toho University e da NASA Nexus for Exoplanet System Science encontraram evidaªncias, por meio de simulação, de que a Terra perdera¡ sua atmosfera rica em oxigaªnio em aproximadamente 1 bilha£o de anos. Em seu artigo publicado na revista Nature Geoscience, Kazumi Ozaki e Christopher Reinhard descrevem os fatores que entraram em sua simulação e o que ela mostrou.
Todos os cientistas concordam que a vida não pode durar para sempre no planeta Terra - eventualmente, o sol ficara¡ sem energia e se destruira¡. As formas de vida provavelmente achara£o cada vez mais difacil sobreviver antes disso, a medida que o sol fica mais quente. Nesse novo esfora§o, os pesquisadores buscaram encontrar o ponto de inflexa£o para a vida - quando o planeta não serámais capaz de sustentar a maioria das plantas e animais.
Para encontrar esse ponto de inflexa£o, os pesquisadores criaram uma simulação da Terra que considerou varia¡veis ​​que descreviam o clima, bem como os processos geola³gicos e biola³gicos e, o mais importante, a atividade do sol. Os pesquisadores então rodaram sua simulação para ver como a Terra se sairia em um futuro distante.
A simulação mostrou que a medida que o sol fica mais quente, daqui a 1 bilha£o de anos, liberando mais energia, os naveis de dia³xido de carbono na atmosfera da Terra comea§am a cair devido ao gás absorvendo o calor e se decompondo. A camada de oza´nio também seria queimada. Então, a medida que os naveis de dia³xido de carbono caem, a vida das plantas comea§a a sofrer, resultando na redução da produção de oxigaªnio. Durante um período de apenas 10.000 anos, CO 2 os naveis caira£o tanto que a vida vegetal seráextinta. Sem a vida vegetal, as criaturas que vivem em terra e no mar logo estariam extintas, também, devido a falta de uma atmosfera respira¡vel. Enquanto isso, a simulação também mostrou naveis crescentes de metano entrando na atmosfera, acelerando a morte de criaturas que precisam de oxigaªnio para respirar. O resultado, de acordo com a simulação, seria um planeta sem vida, exceto por minaºsculas criaturas anaera³bicas como as bactanãrias - condições muito semelhantes a s da Terra antes da evolução das plantas e animais.
Os pesquisadores sugerem que sua simulação pode ser útil para aqueles que procuram vida em outros planetas - a janela de oportunidade, eles observam, pode ser mais curta do que se pensava anteriormente.