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Top 2 jezero crater, mars News Today

#1
NASA's Perseverance Mars rover completes its 1st drive planned by AI
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NASA's Perseverance Mars rover completes its 1st drive planned by AI

  • Perseverance completed its first AI-planned drives on Dec. 8 and Dec. 10, 2025, at Jezero Crater.
  • The AI used a digital twin and data from a Mars Reconnaissance Orbiter to map safe paths with waypoints.
  • The rover traveled nearly 1,500 feet (456 meters) during the two AI-driven drives.
  • NASA researchers say autonomous navigation could increase science return and reduce operator workload.
  • The effort was led by NASA's Jet Propulsion Laboratory in collaboration with Anthropic using Claude AI models.
  • NASA envisions AI tools could help future missions handle kilometer-scale drives while reducing operator workload.
  • The team used a digital twin to confirm safety before commanding Mars to execute the plan.
  • The AI-planned drives evaluated terrain features like rocks and slopes to pick safe routes.
  • The demonstration was conducted under NASA's long-term goal of expanding autonomous planetary operations.
  • The article notes SpaceX and Artemis coverage nearby but focuses on Perseverance AI drive milestones.
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#2
Bleached Martian rocks offer fresh evidence of a wetter and warmer Mars: 'But where did they come from?
#2 out of 2
1d ago

Bleached Martian rocks offer fresh evidence of a wetter and warmer Mars: 'But where did they come from?

  • Perseverance found thousands of kaolinite-rich rocks across Jezero Crater, signaling a wetter Mars era.
  • Kaolinite forms where water slowly leaches elements, indicating long-term water exposure on ancient Mars.
  • Study links kaolinite on Mars to rainfall-driven weathering rather than volcanic processes.
  • Experts question where the rocks originated, with potential sources from ancient rivers or meteorite impacts.
  • Researchers compared Perseverance data with Earth kaolinite deposits to support weathering origin.
  • The discovery strengthens the view that Mars once hosted rainfall and a warmer climate.
  • Jezero crater likely hosted a past lake, helping the rocks form.
  • The study appears in December 2025 issue of Nature Communications Earth & Environment.
  • NASA’s Perseverance rover has been exploring Jezero crater since 2021.
  • The team notes an origin gap: no obvious nearby bedrock source for the rocks.
  • Rocks span from pebbles to large boulders, indicating varied transport history.
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