[Interview] Aliens' Perspective of Technosignatures from Earth

If an extra-terrestrial civilisation saw the Earth, what technosignatures could they pick up? What could they learn about life on our planet and human civilisation in particular? I'm discussing that with Dr Michael Garrett who is the Director of Jodrell Bank Centre for Astrophysics.

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👉 Simulation of the Earth’s radio-leakage from mobile towers as seen from selected nearby stellar systems:

https://academic.oup.com/mnras/article/522/2/2393/7028804

00:00 Intro

02:11 Biosignatures in modern Astronomy

06:46 Technosignatures VS biosignatures

13:07 Loudest technosignatures of Earth

18:27 Earth from the perspective of aliens

32:31 Satellite constellations

38:00 Going into wires

42:49 Leaked transmissions

46:09 Becoming an alien hunter

📺 VIDEO VERSION

https://youtu.be/rkZM9yHY8z0

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