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Carl Sagan

Pale Blue Dot: A Vision of the Human Future in Space

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A thousand years from now, our epoch will be remembered as the time when we first left the Earth and saw it from beyond the outermost planet as a pale blue dot, almost lost against the backdrop of the stars. As we complete the preliminary reconnaissance of our Solar System, we hunger for a long-term vision of the human future. Now, the astronomer who brought the Universe to so many people answers that call—suggesting that our very survival depends on the exploration and settlement of other worlds. Pale Blue Dot reveals how science has revolutionized our understanding of where we stand and who we are and challenges us to weigh what we will do with that knowledge. Emerging out of our sometimes reluctant recognition of our true place in the Cosmos comes a vision of an exhilarating future with a surprisingly spiritual impact.
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  • Rana Najafzadehar citeretfor 3 år siden
    While almost everyone is taught that the Earth is a sphere with all of us somehow glued to it by gravity, the reality of our circumstance did not really begin to sink in until the famous frame-filling Apollo photograph of the whole Earth—the one taken by the Apollo 17 astronauts on the last journey of humans to the Moon
  • Rana Najafzadehar citeretfor 3 år siden
    Life is a comparative rarity. You can survey dozens of worlds and find that on only one of them does life arise and evolve and persist
  • HThar citeretfor 4 år siden
    Every one of these worlds is lovely and instructive. But, so far as we know, they are also, every one of them, desolate and barren. Out there, there are no "better places." So far, at least.

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