Image: Opportunity spots Knudsen Ridge dust devil
Tuesday, April 5, 2016 - 08:00
in Astronomy & Space
From its perch high on a ridge, NASA's Mars Exploration Rover Opportunity recorded this image of a Martian dust devil twisting through the valley below. The view looks back at the rover's tracks leading up the north-facing slope of "Knudsen Ridge," which forms part of the southern edge of "Marathon Valley."