NASA @NASA
Our #Mars2020 rover is one step closer to having its own name! 155 students across the U.S. were chosen as semifinalists in the “Name the Rover” essay contest. How & when will we select the winner? Find out here: https://t.co/3afChvC52N https://t.co/UE4LNTCL2W — PolitiTweet.org