NASA's DART spacecraft successfully slammed into a distant asteroid at hypersonic speed on Monday (Sept 26) in a test of the world's first planetary defense system, designed to prevent a potential doomsday meteorite collision with Earth.<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline
