About
When boulders roll down a dusty Martian slope, they can leave long, dotted tracks behind on the slope surface as seen in this observation from NASA Mars Reconnaissance Orbiter. — NASA JPL · 2013. ABD devlet eseri: kamu mali, ticari islerde de serbestce kullanilabilir.
Source and licence
This work is public domain or openly licensed. The licence terms are published by the source.
How do I open it?
Use the Shopy 101 app to download it or read it in place. Anything you add to your library stays the same on every device.