Vamo’ a tirarno’ un selfi, say “cheese” 📸⁣ ⁣ Perseverance Mars rover took this selfie on July 23, 2024: the 1,218th Martian day, or sol, of the mission.⁣ ⁣ To the left of the rover, near the center of the image, is the arrowhead-shaped rock nicknamed “Cheyava Falls,” which has features that may have clues to whether Mars was home to microscopic life in the distant past. The small dark hole in the rock is where Perseverance took a core sample, which is now in a sample tube stored in the rover’s belly. The white patch to the right of the hole is where the rover used an abrasion tool to clear away the top surface, allowing science instruments to study the rock’s composition.⁣ ⁣ Measuring 3.2 feet by 2 feet (1 meter by 0.6 meters) and named after a Grand Canyon waterfall, Cheyava Falls lies at the northern edge of an ancient river valley that was carved by water rushing into Jezero Crater long ago. The selfie is composed of 62 images taken by the WATSON (Wide Angle Topographic Sensor fo...