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Abstract <p>Numerous methods have been tried and many more are currently beingattempted to discover technosignatures of intelligentcivilizations. One thing is for sure: an existing technosignaturewould modify its environment in detectable ways. The current studyhas investigated all possible voluntary and involuntarytechnosignatures, ranging from beacons to Dyson megastructures andfrom self-replicating probes to the still hypothetical stellarengines, in order to determine the extent to which thesetechnosignatures would reveal themselves within a specified finitesphere 500 light years across, corresponding to nearly half theaverage thickness of our Galaxy. We then estimated theprobabilities of detection of such technosignatures based on theregions, or domains, they would produce and investigated whetheror not a correlation exists with the position of civilizations onthe Kardashev scale. The study further explored which ones of thevoluntary and involuntary technosignatures have higher detectionprobabilities.</p>

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Voluntary and Involuntary Technosignatures: Which Are to Be Encountered First

  • 期刊论文

  • 发表日期：

    2025年9月1日

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  • E. Haliki

摘要

Abstract

Numerous methods have been tried and many more are currently beingattempted to discover technosignatures of intelligentcivilizations. One thing is for sure: an existing technosignaturewould modify its environment in detectable ways. The current studyhas investigated all possible voluntary and involuntarytechnosignatures, ranging from beacons to Dyson megastructures andfrom self-replicating probes to the still hypothetical stellarengines, in order to determine the extent to which thesetechnosignatures would reveal themselves within a specified finitesphere 500 light years across, corresponding to nearly half theaverage thickness of our Galaxy. We then estimated theprobabilities of detection of such technosignatures based on theregions, or domains, they would produce and investigated whetheror not a correlation exists with the position of civilizations onthe Kardashev scale. The study further explored which ones of thevoluntary and involuntary technosignatures have higher detectionprobabilities.