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[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
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⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)
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By Fraser Cain
4.7
510510 ratings
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
⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)
Support Universe Today Podcast
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