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Scientists have begun to apply their knowledge of how life on Earth formed to exploring the solar system and beyond for habitable planets. So far, they have discovered dozens of potential Earth-like exo-planets, with only a minuscule fraction of space under examination. Proponents of the "Rare Earth" hypothesis argue that the evolution of complex life requires a unimaginable number of perfect conditions, which could be why, despite billions of stars in the galaxy, we have yet to discover life, intelligent or otherwise. At what point does such contemplation dissolve into chaos? Can we ever be satisfied with an answer to cosmic questions that are un-quantifiable and beyond even the most brilliant scientists' understanding? What is the point of studying something so vast?
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