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Home » Space/Science

Radio Broadcasts May 1, 2025 12:28 pm BuckGalaxy

All radio signals sent by humans are contained within a sphere roughly 200 light-years in diameter. Just that tiny little blue sphere. The first radio signal was transmitted in 1895.

  • Sorry, no "I Love Lucy" tonight. by ER 2025-05-01 20:47:52

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