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The sixth parameter of the Drake equation involves an estimation of the fraction of intelligent civilizations that have proceeded in the past to communicate with other species, probably broadcasting an electromagnetic signal through space.

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Communication

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  • 发表日期：

    2025年

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  • Luigi Vacca

摘要

The sixth parameter of the Drake equation involves an estimation of the fraction of intelligent civilizations that have proceeded in the past to communicate with other species, probably broadcasting an electromagnetic signal through space.