![]() ![]() ![]() So the question arises: where are those that are more advanced? This is Fermi’s paradox in a nutshell. Assuming there are other technological civilizations out there and that we are an average one, some will be more advanced and others less so. This is more than three orders of magnitude smaller than the age of the Galaxy (12-14 Gyr). Where Is Everybody?įifty Solutions to the Fermi Paradox and the Problem of Extraterrestrial LifeĮmail: simplest estimate tells us that the characteristic timescale for touring the Milky Way is about 10^7 years for using the technologically acceptable velocity of 1% of the speed of light. ![]() Where Is Everybody? Publications Department SETI Book Review: If The Universe Is Teeming With Aliens. ![]()
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