NASA @NASA
Our @NASAInSight Mars lander put the first seismometer on the surface of another planet. We're holding a media teleconference at 2pm ET (18:00 UTC) on Tuesday, May 17, to provide an update on the mission. Reporters, RSVP now: https://t.co/K8feOW9wut https://t.co/07uiGlpf2N — PolitiTweet.org