Guy gets tattoo to honor NASA's Opportunity rover, but there's one big problem

NASA's Opportunity rover had a long, eventful stay on Mars, but unfortunately those days are now behind us. The rover has been officially declared dead after a dust storm last year caused its batteries to remain dry and cold, preventing it from waking back up. There's been several heartfelt tributes to the robot over the past few days, and the scientific community is mourning the loss of Opportunity (or "Oppy" as it's been affectionately nicknamed) in various ways. One such tribute recently gain...