Don't you think Venus is just too damn hot?
I say we make a whole bunch of small probe-bots that'll use those ion continuous-thrust engines to go out, attach themselves to Ceres, and have them slam it into Venus. The water oughta cool down Venus and the impact oughta get rid of a whole bunch of the sulfur dioxide.
Acidic clouds of Venus could harbour life
Venus is usually written off as a potential haven for life because of its hellishly hot and acidic surface. But conditions in the atmosphere at an altitude of around 50 kilometres are relatively hospitable: the temperature is about 70 °C, with a pressure of about one atmosphere.
Although the clouds are very acidic, this region also has the highest concentration of water droplets in the Venusian atmosphere. "From an astrobiology point of view, Venus is not hopeless," says Dirk Schulze-Makuch from the University of Texas at El Paso.
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Even more mysterious is the presence of carbonyl sulphide. This gas is so difficult to produce inorganically that it is sometimes considered an unambiguous indicator of biological activity.