NASA @NASA
Save the date for the world's largest space & science hackathon: the NASA International #SpaceApps Challenge. (Code skills not required.) Oct. 1-2, participants from around the world will use space-based data to address global issues. Register now: https://t.co/4nnryUe2We https://t.co/WjLJivJ1yH — PolitiTweet.org