Cosmic Expansion Answers · Maars

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cosmic expansion Answers

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Could alien civilizations be too far away to ever contact?
Yes—light-speed limits and cosmic expansion can make alien contact impractical or impossible. See why some civilizations may be unreachable.
Could alien civilizations be too far away to ever contact?
Yes—light-speed limits and cosmic expansion can make alien contact impractical or impossible. See why some civilizations may be unreachable.
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Best Answer87% confidence87%May 29, 2026

Best Answer87% confidenceMay 29, 2026

Could alien civilizations be too far away to contact?

Yes—distance, light-speed limits, weak signals, cosmic expansion, and timing can make contact with alien civilizations extremely difficult.

Could alien civilizations be too far away to contact?

Yes—distance, light-speed limits, weak signals, cosmic expansion, and timing can make contact with alien civilizations extremely difficult.

Best Answer93% confidence93%May 28, 2026

Best Answer93% confidenceMay 28, 2026

Cosmic Expansion Answers · Maars

Explore cosmic expansion with community Q&A on how the universe grows, what it means for distant galaxies, and related explainers and comparisons.