Bouncing Boulders Point to Quakes on Mars

A preponderance of boulder tracks on the red planet may be evidence of recent seismic activity.

Bouncing Boulders Point To Quakes On Mars

The New York Times – by Katherine Kornei

If a rock falls on Mars, and no one is there to see it, does it leave a trace? Yes, and it’s a beautiful herringbone-like pattern, new research reveals. Scientists have now spotted thousands of tracks on the red planet created by tumbling boulders. Delicate chevron-shaped piles of Martian dust and sand frame the tracks, the team showed, and most fade over the course of a few years.

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