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I would like to expand on a topic that I originally wrote about in the Objectivismonline Chat room. The topic of human evolution and survival. You may or may not be aware, but our sun (like many stars) eventually will burn out after a period of initial expansion in which the Earth will be consumed by the expanding and dying star. Most scientist's today realize that such an event is far off (5 billion years from now) and due to the very long length of time in which this will eventually occur, there is no immediate need to prepare for such an event. When scientists grapple with the inevitable result of the expanding sun, usually they are thinking in modern terms. In other words, they are looking through the lens of our current time period and our current capabilities. Leaving the Earth in spaceships seems like the logical consensus (instead of burning up with our planet.) However, what variables do our current scientists leave out of the "equation" (for retaining life)? For one, the advances in technology alone over the next "billions" of years, would surely provide us with more options and technical abilities that we simply can not fathom as this time. Imagine trying to restore a famous painting or maintain an ancient building that has historical significance. People go to great lengths to keep our past alive! Now imagine, 5 billion years of that history, and it is all on the Earth. It seems that keeping the Earth safe would be a priority. What I propose we do is simple. Move the Earth. Move it out of orbit of the sun. Technology in 5 billion years likely will be able to help us move cosmic bodies, and also construct artificial atmospheres and heat without the need of a sun to provide sustenance. We are far off from worrying about doomsday. If we can get our heads in the game now, and work toward a goal of maintaining Earth at all costs, we'll be ready when the time comes! I don't mean attach big rocket boosters to our planet. I mean, future scientists working toward a way to sustain our planetary home! Please advise if you have an alternative solution or idea worth sharing. Cheers.