Video caption: NASA’s twin GRAIL spacecraft blast off atop a Delta II Heavy booster at 9:08 a.m. EDT on Saturday, September 10, 2011 from Cape Canaveral, Florida, on a mission to explore the moon in unprecedented detail. Be sure to check out these awesome launch videos showing the Delta II Heavy rocket blasting off with … Continue reading "GRAIL Twins Awesome Launch Videos – A Journey to the Center of the Moon"