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Life On Venus? (exobiologie) – SyC#4




Was #phosphine discovered in the clouds of #Venus and what would be the implications for the existence of life in our Solar System ? – with Clara Sousa-Silva, postdoc astrochemist researcher at #HarvardUniversity

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0:00 Opening
0:30 Introduction
1:08 What’s a quantum astrochemist?
1:41 Search for alien life
5:10 What is phosphine?
5:58 Detecting molecules on other planets
8:53 How bad is phosphine?
10:28 Why search for an awful molecule?
12:35 Phosphine in exoplanets?
13:36 Phosphine in Venus? (1)
15:08 What do we know about Venus?
17:07 Phosphine in Venus? (2)
18:37 Non biological origins?
20:29 Could other molecules mimic phosphine?
22:48 Other criticisms
26:47 What would life look like in Venus?
28:42 If you had to design a mission to Venus, what would it be like?
30:50 Implications of finding life elsewhere in the Universe
33:05 Closing and credits
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Clara’s related publications
Phosphine gas in the cloud decks of Venus
https://www.nature.com/articles/s41550-020-1174-4
Phosphine as a Biosignature Gas in Exoplanet Atmospheres
https://arxiv.org/abs/1910.05224
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Clara’s personal website
https://clarasousasilva.com/
Twitter account

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Original music by Sergio Valenzuela
https://www.youtube.com/c/SergioValen…
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Thumbnail image used illustration from Danielle Futselaar
https://artsource.nl/
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Thanks to G1 for helping with the sound !
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Images: NASA, ESO, ESA
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