
NASA @NASA
When our @NASAPersevere rover launches to the Red Planet, an innovative experiment will ride along: the Ingenuity Mars Helicopter — the first aircraft to attempt controlled flight on another planet. Get up to speed with these key facts: https://t.co/qS74v4s2Rm #CountdownToMars https://t.co/iy2huwKRJz — PolitiTweet.org