Strange balancing rock spotted on Mars
Boing Boing -

Don't Martians know that stone stacking is bad for the environment? NASA's Perseverance rover on Mars captured this image of what appears to be a small stone balanced atop a large rock. How odd. Or maybe not. Gizmodo reached out to NASA and heard back from planetary geologist James Rice of Arizona State University's School of Earth and Space Exploration and here's his take on it:

Balancing rocks (sometimes called Precariously Balanced Rocks PBRs) of various sizes, ranging from small rock...

Related Articles

Latest in Entertainment

More from Boing Boing