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A comment on Venus could have been habitable for billions of years (2019). Parent comment

Re:Venus could have been habitable for billions of years (2019) by XorNot on Wednesday March 24, 2021 @10:00AM (#26567271)
The big news we're looking for from James Webb is the possibility of grabbing evidence of chlorophyll fringes in the IR spectra of other planets.

That is going to be huge news if we find it (I suspect we'll get a lot of other results first though and a ton of new interesting work looking for alternative photosynthetic chemistries).

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Re:Venus could have been habitable for billions of years (2019) by NortySpock on Wednesday March 24, 2021 @10:29AM (#26567680)
Wow, chlorophyll-equivalent detection? I though JWST was just going to be able to prove diatomic oxygen or other gas chemistries in atmospheres.

https://www.jwst.nasa.gov/content/forScientists/faqScientist...

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