Were there prior technological civilizations in our solar system?
What are some unusual and odd alien technosignatures?

Jason Wright joins John Michael Godier to explore unusual technosignatures from alien civilizations. Looking for red spirals, dyson spheres, and other signs of intelligent life within the universe. The idea of prior technological civilizations existing either on ancient venus, mars, or even earth is explored. Would they be aliens if they came from earth then left?

Prior Indigenous Technological Species by Jason T. Wright: arxiv.org/abs/1704.07263
AstroWright Blog: sites.psu.edu/astrowright/
Jason Wright twitter: twitter.com/Astro_Wright

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FOOTAGE:
NASA
ESA/Hubble
ESO