NASA is just hours away from launching the most powerful rocket the world has ever seen. Lift-off from Cape Canaveral in Florida will take place between 08:33 and 10:33 ET (13:33 and 15:33 BST).
In a matter of hours, the $22 billion Space Launch System will lift off from Cape Canaveral in Florida and power an uncrewed Orion spacecraft into orbit for a 1.3 miIlion-mile voyage around the moon.
NASA Is Sending Realistic Dummies on a Trip Around the Moon nerdist.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nerdist.com Daily Mail and Mail on Sunday newspapers.