Indeed, Venus is the hottest planet in the Solar System<\/a> and is often described as \u2018Earth\u2019s evil twin\u2019, so how could life ever exist there?<\/p> So while the surface of Venus doesn\u2019t offer any chance of liquid water or organic molecules \u2013 the fundamental prerequisites for life \u2013 the high atmosphere could offer a habitable environment.<\/p> Venus is shrouded in thick cloud layers; between altitudes of 48km and 60km the atmospheric pressure and temperature are similar to those on Earth\u2019s surface.<\/p> There\u2019s plenty of sunlight to serve as a power source for life too.<\/p> The problem, however, is that the cloud droplets are made up of concentrated sulphuric acid.<\/p> This is still an exceptionally hostile environment, with virtually no available water, and is orders of magnitude more acidic than that in which extremophile organisms on Earth can survive.<\/p> But could the Venusian clouds still support microorganisms using an exotic biochemistry based on organic molecules dissolved in, not liquid water, but concentrated sulphuric acid as a solvent?<\/p> The assumption has been that only simple organic chemistry \u2013 with limited functionality for supporting the complex molecules and chemical reactions of life \u2013 could be stable in concentrated sulphuric acid.<\/p> But a team lead by Sara Seager at MIT has been challenging this by testing the assumption with experiments.<\/p> Seager is a very active astronomer and has performed a lot of work on exoplanets<\/a> and their atmospheres.<\/p>![\"Venus](\"https:\/\/c02.purpledshub.com\/uploads\/sites\/48\/2024\/02\/venus-hottest-planet-1024x576.jpg?fit=800%2C450\")
Life in the sulphuric acid clouds of Venus?<\/strong><\/h2>
![\"An](\"https:\/\/c02.purpledshub.com\/uploads\/sites\/48\/2020\/09\/Venus-phosphine-85069a1.jpg\")
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