NASA's Perseverance Mars rover has good reason to be proud. It's completing the very first sample depot on another world by depositing a collection of tubes stuffed with rocks onto the Martian ground. To mark the occasion, the rover snapped a selfie featuring one of its sample tubes. You would never guess the Mars Perseverance Rover selfie was made up of many images then all stitched together to make the selfie. Click here for full story and other cool pics from the red planet.