NASA’s Mars 2020 rover just got shiny new feet

A rover without its wheels can't do much roving at all, so the recent addition of fancy new wheels to the Mars 2020 rover is pretty exciting for NASA and space observers around the world. In a new blog post, NASA shows off some awesome photos of the wheels that were just affixed to the robot in the testing lab.The wheels, which are made out of aluminum, are quite large compared to those of some of NASA's past rovers, giving us a nice point of comparison to gauge the difference in the overall siz