Venus in a Minute

Our sister planet Venus could serve as a model for many exoplanets soon to be discovered in the upcoming era of new space telescopes such as James Webb and others. Venus may have been far more Earth-like than its present climate state, which is inhospitable and more like that inside a pressure-cooker oven with surface temperatures of 450 C and pressures equivalent to 1,000 meters under the sea. How did Venus evolve from a past "habitable" state to its present one, and how does that help us understand our own destiny?

What is missing is essential information about the chemistry of Venus' massive atmosphere and how it is organized from top to bottom. Missions that measure the detailed chemistry of the atmosphere from the top of the cloud deck to the hot near-surface have not been flown since the 1970s and 1980s. We now have an opportunity to get back with modern sensors and spacecraft that could establish Venus as a "window on the universe." It is now possible to use forensic chemistry methods to decipher the history of Venus oceans, whether volcanoes are erupting now or in the recent past, and how the vast highlands of Venus are structured both compositionally and in 3D. We can combine satellite observations and those from heavily-instrumented probes and landers to reveal the wonders of Venus and potentially to help scientists understand how planets similar to our own become uninhabitable.

Credit: NASA's Goddard Space Flight Center
James Tralie (ADNET):
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Music Credit: "Save us All" by Alec Michael Harrison via Universal Production Music

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