[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.

🦄 Support us on Patreon:

https://patreon.com/universetoday

👉 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

📰 EMAIL NEWSLETTER

Read by 60,000 people every Friday. Written by Fraser. No ads.

Subscribe. It's FREE: https://universetoday.com/newsletter

🎧 PODCASTS

Universe Today: https://universetoday.fireside.fm/

Astronomy Cast: http://www.astronomycast.com/

🤳 OTHER SOCIAL MEDIA

Twitter: https://twitter.com/fcain

Twitter: https://twitter.com/universetoday

Facebook: https://facebook.com/universetoday

Instagram: https://instagram.com/universetoday

📩 CONTACT FRASER

frasercain@gmail.com

⚖️ LICENSE

Creative Commons Attribution 4.0 International (CC BY 4.0)

Support Universe Today Podcast