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Paper: Sustainability: A Tedious Path to Galactic Colonization
Volume: 420, Bioastronomy 2007: Molecules, Microbes and Extraterrestrial Life
Page: 439
Authors: Dutil, Y.; Dumas, S.
Abstract: Civilization cannot sustain an exponential growth for long time even when neglecting numerous laws of physics! In this paper, we examine what are fundamental obstacles to long term survival of a civilization and its possibility to colonize the Galaxy. Using the solar system as a reference, resources available for sustained growth are analyzed. Using this information, we will explore the probability of discovering a civilization at its different stage of energy evolution as estimating some possible value of L, the typical life time of an extra-terrestrial civilization.
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