I think that although NASA has discovered an Earth-like exoplanet ever least, it does not mean that there will survive. We have not been able to reach its surface to see that there really rocks, the ocean and the continent or not. And whether you know there is air, ocean, then we also need to know the chemistry of the atmosphere and oceans that. Since so can water and air on newly discovered exoplanet is not fit for human habitation. But the distance is about 1400 light-years that scientists reach its surface and consider the chemical nature is extremely difficult. Since the distance is too far so the current scientific technology can not meet. And if the man brought to them by 1 spacecraft travel at the speed of light away, it would take 1,400 years to get there so exoplanets conversation on the other life not that appealing, if you want to go with the speed of light to an infinite source of energy, but we can not. To say that we can take advantage of the black hole to go to the more exoplanets, the more absurd because the area near the black hole horizon, everything is stretched out tidal forces and the piece as a pasta. So with that distance, I think we should not hastily conclude that planets have life, because "the same" is unrelated to the "viable".
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