Did JWST Really Just Find Alien Life Or Can It Be Something Else? Critical Analysis of K2-18b

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Canada Anton Petrov
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Hello and welcome! My name is Anton and in this video, we will talk about the recent discovery of a biosignature called DMS on a planet K2-18b and how likely it is to be real
Links:
https://iopscience.iop.org/article/10.1088/0004-637X/775/2/104
https://pubs.acs.org/doi/10.1021/cr020529%2B#
https://iopscience.iop.org/article/10.1088/0004-637X/777/2/95
https://egusphere.copernicus.org/preprints/2023/egusphere-2023-1912/
https://www.nature.com/articles/326655a0
Previous video: https://youtu.be/iC95VzD7ALs
#dms #k218b #aliens

0:00 What is this planet?
1:34 More about DMS gas
2:40 How this gas is produced
4:50 Original papers about DMS and biosignatures
7:00 DMS on Earth
7:20 But on other planets...
8:30 How likely is this detection correct?
9:00 Biases and criticisms
10:10 Quality of data and observations
11:45 More observations planned

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Dimethyl sulfide