Wow. A guy on facebook has this graphic up and it blew me away. It's something on the surface of Mars. I don't want to say what I think it is so you can decide for yourself. Here is the original picture:

https://photojournal.jpl.nasa.gov/figures/PIA16763_fig1.jpg

Attached to this post is the zoomed image portion of what he found. Anybody want to chime in on what it is?