A preponderance of boulder tracks on the red planet may be evidence of recent seismic activity.
Click here for original story, Bouncing Boulders Point to Quakes on Mars
Source: New York Times Space & Cosmos
A preponderance of boulder tracks on the red planet may be evidence of recent seismic activity.
Click here for original story, Bouncing Boulders Point to Quakes on Mars
Source: New York Times Space & Cosmos