Framing the Possibility Space for Technosignature Searches
Jacob Haqq-Misra

TL;DR
This paper introduces a two-parameter matrix framework to categorize and strategize the search for technosignatures based on their accessibility and recognizability, aiding in systematic exploration of extraterrestrial signals.
Contribution
It proposes a novel four-strategy matrix for technosignature searches, integrating spatial accessibility and recognizability to guide future SETI efforts.
Findings
Defines four search strategies: Exploration, Expansion, Evolution, Existence.
Analyzes implications for the Fermi paradox and search methodologies.
Provides a structured approach to categorize potential technosignatures.
Abstract
This paper develops a two-parameter matrix that can be used to describe four general strategies in the search for technosignatures. The first parameter is domain accessibility: can the technosignature be accessed within the spatial domain accessible to us today? The second parameter is recognizability: would the technosignature be recognizable to us if discovered today? This yields a matrix with four options that each comprise different search strategies. "Exploration" is the strategy for technosignatures that are accessible within our domain and recognizable, which includes radio and optical signals that have reached Earth and any artifacts that might be identifiable within the solar system. "Expansion" is the strategy for technosignatures that are recognizable but beyond our spatial domain, which includes diffuse technology elements that may exist in nearby systems but could not be…
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Taxonomy
TopicsSpace Science and Extraterrestrial Life · Cognitive Science and Education Research · Paranormal Experiences and Beliefs
