Free Astronomy Magazine March-April 2021

26 MARCH-APRIL 2021 MARS ROVERS Curiosity A self-portrait of NASA’s Curiosity Mars rover shows the robot at a drilled sam- ple site called “Duluth” on the lower slopes of Mount Sharp. A Martian dust storm reduced sunlight and visibility in Gale Crater. The north-northeast wall and rim of the crater lie beyond the rover, their visibility obscured by atmospheric dust. [NASA/JPL-Caltech/MSSS]