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Venus's Crust Found to Recycle Itself Without Plate Tectonics

  • NASA and ESA are planning the DAVINCI, VERITAS, and Envision missions to conduct more detailed investigations of Venus' surface features and atmospheric composition.
  • This effort follows recent NASA-funded research revealing surprising details about Venus' crust, which contradict prior beliefs about its thickness and recycling processes.
  • The research proposes a crust metamorphism model where the 25-mile-thick crust either breaks off or melts at the bottom, returning material to the planet's interior and potentially driving volcanism.
  • Justin Filiberto highlighted that Venus’s crust is unexpectedly slender considering the planet’s extreme environment, and explained that this recycling process of water and elements may play a significant role in the planet’s volcanic activity and atmospheric changes.
  • Upcoming missions are designed to gather data that will evaluate these models, potentially shedding light on how much volcanic activity occurs on Venus and enhancing knowledge of its geological processes and atmospheric interactions.
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Phys.org broke the news in United Kingdom on Friday, May 9, 2025.
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