CNN Around the World April 8, 2013 16:51:00
Into deep space, we would probably not have enough fuel on board to get where we wanted to go or get back. could we land on an asteroid, mine the asteroid, get the fuel out of the asteroid and keep going? that's why we want to keep doing this. >> this is a great idea. i love it. but all the things that make it more stable to land on, is that the idea? >> we don't want it to fall back to earth and just burns up and turns into nothing. >> and if you just jump on it while you're going past, you'll end up somewhere you don't want to be. >> are we close to any of this? >> $2 billion and 12 years aw...