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I don't know what I want to do after university http://fittor.top/pronhub-net/ hbrwse However, as the orbits of planets change over time, and as the nature of their stars change over time, no planet is likely to stay in a habitable zone forever. So in this paper, the astronomers did their best to estimate the âhabitable zone lifetimeâ of a planet. Since life took hundreds of millions of years to evolve on Earth, the researchers reason that the best candidates for observation are those with the longest habitable zone lifetimes. |
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