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Where Are All the Aliens? The Fermi Paradox Explained

by Kenny Hoeschen

Universe Today publisher Fraser Cain investigates the riddle of the Fermi Paradox. Many people believe conditions for life exist throughout the universe, so where are all the aliens? There has been plenty of time for an intelligent species to arise on any one of those countless worlds and broadcast their existence to the entire galaxy. Yet, as far as we know, Earth is the only place in the universe where life has arisen. Where are all the aliens. This is the Fermi Paradox.

How can we explain this? Maybe we really are the only planet in the entire Universe to develop life. Or, maybe civilizations destroy themselves when they reach a certain point. Maybe they’re just too far away, and our signals can’t reach each other. Maybe we can’t understand their signals or recognize their artifacts. Maybe they’re just too alien and we just can’t understand them. Maybe we’re too insignificant, and they don’t think we’re even worth talking to. Or aliens have a “Prime Directive,” and they’re not allowed to talk to us.

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