If you're seeing this message, it means we're having trouble loading external resources for Khan Academy.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

While driving to next destination we will be keeping a close eye on the nearby rocks and features:

​This image was taken by Mastcam onboard NASA's Mars rover Curiosity on Sol 3

Image Credit: NASA/JPL-Caltech/MSSS

This image was taken by Mastcam onboard NASA's Mars rover Curiosity on Sol 30:

Image Credit: NASA/JPL-Caltech/MSSS It may look like a broken sidewalk, but this geological feature on Mars is actually exposed bedrock made up of smaller fragments cemented together, or what geologists call a sedimentary conglomerate. This image mosaic was taken by Curiosity's Mastcam telephoto lens on Sol 39, of the mission 

Image credit: NASA/JPL-Caltech/MSSSHere is a closer look, notice anything familiar?


Image Credit: NASA/JPL -Caltech/MSSS
What does this photo provide evidence of?