Episode

Astronomy Cast

Wizzard Media

Science & Medicine, Natural Sciences

Chart Positions

Natural Sciences 11
Science & Medicine 32

Astronomy Cast brings you a weekly fact-based journey through the cosmos.

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Episode 24: Fermi Paradox

February 19th, 2007

Episode 24 of 464 episodes

We live in a mind bogglingly big Universe filled with countless stars. We know intelligent life evolved here on Earth. It must be common across the Universe, right? But if there's life out there, how come we haven't been visited by aliens yet? Why haven't we even picked up signals from alien television stations? Where's all the life?

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