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Magellan mission reveals possible tectonic activity on Venus

  • A new study analyzing NASA's Magellan mission data reveals possible ongoing tectonic-like activity shaping Venus's surface through large features called coronae.
  • Scientists investigated how Venus's surface deforms without tectonic plates and found that rising molten mantle plumes likely drive this tectonic-like activity.
  • The research examined 75 coronae, discovering that 52 cap hot, buoyant mantle material which causes deformation and may recycle the planet's crust continually.
  • Gael Cascioli explained that while coronae are not present on Earth today, they might have existed during the planet’s early history, prior to the development of plate tectonics.
  • This discovery suggests Venus may share early tectonic processes with Earth and anticipates NASA's VERITAS mission to provide higher-resolution data in the 2030s.
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Phys.org broke the news in United Kingdom on Wednesday, May 14, 2025.
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