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David Grinspoon discusses upcoming Venus missions: DAVINCI (Deep Atmosphere Venus Investigation of Noble gases, Chemistry, and Imaging) and VERITAS (Venus Emissivity, Radio science, InSAR Topography, and Spectroscopy). DAVINCI, the first entry probe with 21st-century instruments, will precisely measure atmosphere composition, like the deuterium/hydrogen ratio, to reconstruct water history. VERITAS, an orbiter, will map the surface in detail, looking for signs of active volcanism and ancient shorelines.
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