Brace for impact: NASA teams ready for DART s asteroid impact test nasaspaceflight.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nasaspaceflight.com Daily Mail and Mail on Sunday newspapers.
Watch NASA's DART spacecraft crash into the asteroid Dimorphos as part of a planetary defence test from 7:30am AEST, on 27 September / 5:30pm US EDT on 26 September.
Asteroid Didymos is not at risk of hitting Earth, but NASA is testing whether slamming into it with the Double Asteroid Redirection Test (DART) spacecraft can throw it off course.