IMPORTANT Please have a look here friends. We live on Earth. After some billion years the Earth will not be habitable. If we try to live on some other planet, after some billion more years, Sun will turn into red giant and eventually swallow the whole solar system. So, if we want humans to live in the future, we should search for some other planet with a comparatively young star. We need to start today. It took us 4 or 5 centuries to reach the moon, just think how much time will it take to reach any star many light years away.
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That's right a decision
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