News Planetary Science NASA’s Perseverance Mars rover has begun its first science campaign The robot will start scraping away at flat white stones that litter the crater floor NASA’s Perseverance rover reaches its robotic arm out to examine flat, light rocks dubbed “paver stones” (pictured) in Jezero Crater on Mars on July 10. This is the rover’s first sampling location. JPL-Caltech/NASA Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Christopher Crockett July 21, 2021 at 5:28 pm NASA’s Perseverance rover on Mars has seen its future, and it’s full of rocks.