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The Great Filter: why the universe seems silent

Original: 🔭 Why is the universe so silent? The Great Filter asks whether some step between lifeless planets and long-lived technol

The Fermi paradox is back in discussion: the cosmos shows no signs of alien civilisations despite billions of stars. The Great Filter hypothesis argues some step between lifeless planets and long-lived technological societies is extraordinarily hard, and the open question is whether humanity has already passed that step or still has it ahead. Commenters are weighing which scenario is more reassuring.

Why now: Renewed public interest in whether humanity has passed or still faces the Great Filter.

Fermi paradoxThe Great Filter

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Evidence

• 🔭 Why is the universe so silent? The Great Filter asks whether some step between lifeless planets and long-lived technological civilizations is extraordinarily difficult — and whether humanity has already passed it or still faces it. https://www. nexthorizon.space/2026/09/the-… · nexthorizon · 21

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