Do we have any archives that provide the chemical composition exoplanet atmospheres.?
i don't sure but you can check MERRA.
Hello,
you can try https://psg.gsfc.nasa.gov/atmosphere.php#input
The interface is not that transparent, but if you play long enough you'll come to something like that: http://puu.sh/Ct1eL/f79ce0d11a.jpg
Thank you very much Artem G. Feofilov and Amir Hossein Salimi for your suggestions.
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