A call for proactive xenoarchaeological guidelines – Scientific, policy and socio-political considerations

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As planetary exploration advances, the likelihood of encountering suspected artifacts of astrobiological activity increases, which, it is argued, should be investigated under the auspices of proto-scientific xenoarchaeology. Considering both the unfavorable conditions under which such an investigation may be undertaken (e.g., while observing international planetary protection protocols, utilizing remote sensing techniques in exotic pressure, temperature, chemical, and gravity environments, or adhering to stringent terrestrial biological quarantine and security measures) as well as the demonstrated propensity of the social mind to romanticize or mythologize even the most benign planetary landforms, it is clear that a reactive and poorly preconceived xenoarchaeological methodology will be plagued by inaccuracies, rushed judgments, unrealized bias, misinformation, and erroneous conclusions, along with the negative socio-political impacts that accompany them. Central principles for establishing a rigorous xenoarchaeological methodology are proposed, scientific and technical difficulties are discussed, pertinent international protocols and agreements are reviewed, and sociological and historical considerations are explored.