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Perseverance Rover Discovers First Corundum Grains on Mars

3/19/2026

39 3 Full Breakdown

Summary

Story summary

NASA's Perseverance rover found tiny corundum grains in Martian pebbles, a first for Mars.
Ann Ollila of Los Alamos National Laboratory led the identification using the rover's SuperCam instrument in Jezero crater.
The findings were presented at the Lunar and Planetary Science Conference, indicating meteorite impacts likely formed the corundum.
The grains are under 2 millimeters, making it hard to confirm their appearance.

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Story summary

NASA's Perseverance rover found tiny corundum grains in Martian pebbles, a first for Mars.
Ann Ollila of Los Alamos National Laboratory led the identification using the rover's SuperCam instrument in Jezero crater.
The findings were presented at the Lunar and Planetary Science Conference, indicating meteorite impacts likely formed the corundum.
The grains are under 2 millimeters, making it hard to confirm their appearance.