Mission scientists are keen to know the rocks' origin. NASA's Perseverance Mars rover used its dual-camera Mastcam-Z imager to capture this image of "Santa Cruz," a hill within Jezero Crater, on April 29, 2021. (Image credit: NASA/JPL-Caltech/ASU/MSSS) NASA's Mars rover Perseverance is starting to take the measure of its new Red Planet home. For the past five weeks, Perseverance has been focused primarily on supporting and documenting the pioneering flights of its little cousin, NASA's 4-lb. (1.8 kilograms) Mars helicopter Ingenuity. But the car-sized rover has been doing science work of its own in the background as well. For example, Perseverance has extensively photographed its surroundings — the boulder-studded floor of Mars' 28-mile-wide (45 kilometers)