This image taken by NASA's Opportunity rover's HiRISE, a high-resolution camera onboard Mars Reconnaissance Orbiter, shows the dust storm over Perseverance Valley has substantially cleared. Opportunity appears as a blip in this image taken on Thursday, September 20, 2018, from about 166 miles (268 kilometers) above the surface. More information is available at https://photojournal.jpl.nasa.gov/catalog/PIA22549