speed of light Answers

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speed of light

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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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Speed of Light Answers · Maars

Explore the speed of light with community Q&A on distance, communication limits, and why it matters in space science, comparisons, and explainers.

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.
Education alien civilizations contact with aliens+4
Best Answer93% confidenceMay 28, 2026
Best Answer93% confidenceMay 28, 2026

Best Answer87% confidence87%May 29, 2026

Best Answer87% confidenceMay 29, 2026

See how far away aliens could be to receive the 2026 World Cup broadcast, why delays grow with distance, and why distant viewing is so hard.

See how far away aliens could be to receive the 2026 World Cup broadcast, why delays grow with distance, and why distant viewing is so hard.

Best Answer90% confidence90%May 28, 2026

Best Answer90% confidenceMay 28, 2026

Explore the speed of light with community Q&A on distance, communication limits, and why it matters in space science, comparisons, and explainers.

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.
Education alien civilizations contact with aliens+4
Best Answer93% confidenceMay 28, 2026
Best Answer93% confidenceMay 28, 2026