Curiosity rover overcomes temporary freeze after ‘attitude adjustment’

"In the images from orbit, it looks like someone drew a thick straight line with a dark felt marker on the southeastern side of the butte," wrote Melissa Rice, planetary geologist at Western Washington University in a mission blog post. "From the ground, it looks like a shallow ditch filled with dark sand. We don't know what created this feature, or why it happens to be right here, so it's worth stopping for a closer look."