S5E03 - SETI : Technosignatures & Xenoarchaelogy episode artwork

EPISODE · Apr 13, 2026 · 45 MIN

S5E03 - SETI : Technosignatures & Xenoarchaelogy

from Physics bytes ! · host Shahriar Zayyani

Technosignatures? XENOARCHAELOGY? We are definitely into the heart of the our SETI project, if we're talkgin about these things. But what exactly are ... technosignatures?That's what Augustin, Alice, Anahi and Mathias are here to tell you. They will go over all the variety of signs an extra-terrestrial civilisation may leave behind, anythign from atmopheric markers to giant structures in space ! :: Chapters :: 1:47 - what are technosignatures2:39 - What are some examples of Technosignatures8:37 - How do we observe and study the atmosphere of exoplanets?11:18 - What are energetic technosignatures 16:14 - technomorphological signatures21:09 - Mega-structures : Dyson Sphres & Dyson swarms27:37 - What is Xenoarchaelogy?29:27 - the Oumuamua Object !32:14 - the limitations of the search for Technosignatures36:05 - Mathias’s thoughts on the topic 39:44 - Augustin’s thoughts on the topic of SETI 41:30 - Anahi’s frustrations with her research topic 43:40 - Alice is surprised that we havent found anything despite all we know ----- Credits -- Intro Music : "Feelin Good" Kevin MacLeod (incompetech.com)Licensed under Creative Commons: By Attribution 4.0 Licensehttp://creativecommons.org/licenses/by/4.0/Episode Music : "Mirage" Kevin MacLeod (incompetech.com)Licensed under Creative Commons: By Attribution 4.0 Licensehttp://creativecommons.org/licenses/by/4.0/

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S5E03 - SETI : Technosignatures & Xenoarchaelogy

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