<ul><li>The zoo hypothesis suggests that alien civilizations exist and are intentionally hiding from us.</li><li>Physicist Enrico Fermi famously asked, 'Where is everybody?' as a response to the lack of evidence for intelligent extraterrestrial life.</li><li>According to the zoo hypothesis, intelligent alien civilizations hide themselves and their signals to keep us unaware of their existence.</li><li>Once we prove ourselves as a trustworthy species, the hypothesis suggests that we will be welcomed into the larger galactic community.</li></ul>

What is the Zoo Hypothesis?

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