Factopus

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LESSON 4 · Is Anybody Out There?

PAUSE TO THINK

Age of Fermi Paradox?

Since 1950, over lunch

Enrico Fermi asked the question at a Los Alamos lunch in 1950. The galaxy is billions of years old with billions of sun-like stars; aliens should be everywhere. Yet we see nothing. The paradox still has no settled answer.

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