NASA @NASA
"We hope that it's all metal. That would be great." In @NASAJPL's "On a Mission" podcast, we've heard about threats from asteroids, but what about their potential? The lead scientist of our Psyche asteroid mission explains. 🎧📲 Listen & subscribe: https://t.co/X5NrMUDvYS https://t.co/Nh547jioik — PolitiTweet.org