NASA @NASA
Our first asteroid-sampling spacecraft, @OSIRISREx, needs extra pairs of eyes to help choose its sample collection site on the asteroid – and to look for anything else that might be scientifically interesting. 👀 Find out how you can help: https://t.co/KBZrRYAW4e https://t.co/rYZj6DRgbp — PolitiTweet.org