Drake Equation Answers · Maars

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Could alien civilizations be too far away to contact us?
Yes—distance, light-speed limits, weak signals, and timing could keep alien civilizations effectively out of reach, even if they exist.
Could alien civilizations be too far away to contact us?
Yes—distance, light-speed limits, weak signals, and timing could keep alien civilizations effectively out of reach, even if they exist.
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Best Answer95% confidence95%May 28, 2026

Best Answer95% confidenceMay 28, 2026

Could the universe be full of alien civilizations?

Explore why scientists think alien civilizations could be common, the Fermi Paradox, and why the search now includes exoplanet biosignatures.

Could the universe be full of alien civilizations?

Explore why scientists think alien civilizations could be common, the Fermi Paradox, and why the search now includes exoplanet biosignatures.

Best Answer97% confidence97%May 28, 2026

Best Answer97% confidenceMay 28, 2026

Drake Equation Answers · Maars

Explore the Drake Equation and what it says about the chances of alien civilizations. Find community Q&A, clear explainers, and thoughtful comparisons of the factors involved.