Yes, you need to survive today to see tomorrow, that's true. Two reads that border on fringe speculation that I happened to enjoy thoroughly were: The Physics o

Yes, you need to survive today to see tomorrow, that's true. Two reads that border on fringe speculation that I happened to enjoy thoroughly were: The Physics of Immortality: Modern Cosmology, God and the Resurrection of the Dead by Frank J. Tipler, and The Singularity is Near by Ray Kurzweil. Now, I am an atheist, and I fully know the zaniness of Kipler's Omega Point and its ties to Christianity, but there are discussions in there like in Kurzweil's book about how we will expand throughout the cosmos all based on hard science. It only gets trippy in some places. Still more fun to read than junk fiction. I do believe that we are in the period of 'accelerating returns', and that things will come sooner than we think with space mining, colonization and humans spreading throughout the universe. And, yes, we will try to preserve the Earth in the process, but moving it, performing climate engineering on it, etc... will probably fall by the wayside when we are living on other worlds. It's artifacts and history will be preserved I believe. I don't think we will recreate it per Tipler due to having mastery of information, his 'resurrection' discussion which involves everything, not just people! Fun stuff.