S5E02 : SETI - The science of SETI

Having learned a bit about teh history of SETI, this week we set out to learn a bit of the science behind it and how scientists go about studying and searching for extra-terrestrial life.

Sophia, Alice, Linh and Matilde take turns tellign us about everything from Radioastronomy to how AI can help.

And in the end they share their thoughts, their excitement or reservatiosn about the potential of contact with an alien civilisation !

Chapters :

1:10 - Overview of the topic

2:25 - What is spectroscopy

3:47 - how we use spectroscopy in SETI research

6:21 - the role of Radioastronomy

9:03 - Why radiowaves though?

9:27 - “narrowband signals” as a signature

10:38 - the “hydrogen line” and the WOW signal

12:50 - What is a Radiotelescope?

13:40 - what is a telescope ‘array’?

14:19 - How do we analyse signals from space?

15:56 - what are the signs of a potential alien radio-signal ?

20:04 - signs of intelligence in radio signals

22:23 - how do scientists choose where to look for signals?

24:07 - Radio-interferometry

26:55 - Galaxies that hum

28:38 - Matilde’s thoughts on SETI

29:42 - Linn’s thoughts on SETI

30:52 - Alice’s thoughts on SETI

31:38 - Sophia’s thoughts

33:08 - How can we make SETI more mainstream

33:52 - Sophia’s thoughts on actual contact with an Alien Civilisation

34:30 - Alice’s thoughts on mainstreaming SETI and the potential contact

36:25 - Lin’s reflexions on why we should talk about SETI more and potential contact

37:42 - Matilda’s skepticism for humanity’s capacity to face an alien civilisation

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-- Credits --

Intro Music :

"Feelin Good" Kevin MacLeod (incompetech.com)

Licensed under Creative Commons: By Attribution 4.0 License

http://creativecommons.org/licenses/by/4.0/

Episode Music :

"Mirage" Kevin MacLeod (incompetech.com)

Licensed under Creative Commons: By Attribution 4.0 License

http://creativecommons.org/licenses/by/4.0/