I watched the launch in 2011 and then I was mesmerized by her spectacular landing in 2012! (even goosebumps and tears of joy) Her original, working service date of two years has been expanded indefinitely. Go little Rover! Btw, the next Rover will launch in 2020!

...I came across this:




And was interested in the structure near the center of the photo (bottom of the exposed piece of rock):




Any astrobiologists or mars geologists (Aresologists?) want to speculate on what these could be?

On first glance, they seem to be odd structures for a dry aeolian environment.

What's the scale of that image?

...I'll have to see if is included in the NASA data or embedded in the image/notes.

But yeah, those little spiny things remind me of Crinoid stems:

https://en.wikipedia.org/wiki/Crinoid







I used to collect these fossils by the ton (on Earth).

just saying

http://www.customstoday.com.pk/paleontologists-discovered-fossil-of-an-ancient-worm-in-china/

http://www.sciencespacerobots.com/fossil-of-ancient-super-armored-worm-discovered-70120152

the detail...

We're in the golden age of planetary exploration.