Clarke Exobelts: A Possible Alien Technosignature?

Finding life in the universe is one of humanity's biggest goals, but it's not an easy task. We are now building giant, ground-based telescopes that will be able to make detailed analyses of the atmospheres of exoplanets and much more. To find a tec

1998 Views | Published on 15th Oct, 2018

Finding life in the universe is one of humanity's biggest goals, but it's not an easy task. We are now building giant, ground-based telescopes that will be able to make detailed analyses of the atmospheres of exoplanets and much more.

To find a technical civilization however, requires more than bio-markers, we need "technomarkers" or "technosignatures" that reveal the presence of any technology that an exoplanet might possess. One possibility is a "Clarke Exobelt", a region in space around planets called the "Clarke Belt," in honour of Arthur C. Clarke, who in 1945, published an article about the use of geostationary orbits for telecommunications. In this belt are geostationary satellites used for a large number of practical applications.

Please join Tony Darnell and Christian Ready as they discuss this idea with Hector Socas-Navarro an astronomer at the Instituto de Astrofisica de Canarias and author of a paper "Possible Photometric Signatures of Moderately Advanced Civilizations: The Clarke Exobelt"

Link to the press release:
https://phys.org/news/2018-06-clarke-exobelt-method-extraterrestrial-civilizations.html

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astronomy life in the universe telescope talk professional groundbased astronomy clarke exobelts clark belts technosignatures alien technosignatures

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