
NASA @NASA
On Sept. 10 at 12pm ET (16:00 UT), @NASAPersevere mission experts will discuss what we've learned so far about the rover's first Mars rock sample, and what it might mean for future missions to return samples to Earth. Ask ❓s using #AskNASA & watch live: https://t.co/ONyi1rxaWI https://t.co/qSveSdLg2v — PolitiTweet.org