NASA’s Perseverance rover on Mars has a ‘pet rock’ hitchhiker

NASA’s Perseverance rover has picked up a rocky hitchhiker on Mars.

The rover has collected a “pet rock” tucked inside its left front wheel that has been riding along with Perseverance since early February. So far, its ridden across 5.3 miles (8.5 kilometers) with the Perseverance rover as it drives across its Jezero Crater home on Mars.

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