Two NASA spacecraft at Mars — one on the surface and the other in orbit — have recorded the biggest meteor strikes and impact craters yet. The high-speed barrages last year sent seismic waves rippling thousands of miles across Mars, the first ever detected near the surface of another planet, and carved out craters nearly 150 meters across, scientists reported Thursday.
Science
NASA detects largest meteor strikes on Mars through InSight, Orbiter missions
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