CNN CNN Newsroom Live September 29, 2015 04:54:00
Still at the edge of being able to make that water liquid and to be able to flow on the planet. >> what happens next? where do you take this to the next step in what's next? >> we would like to confirm that what we see and interpret is really what it is. we've been surprised before by mars where we look at something, looks like something, ah, i know what it is, by analogy of what we see on earth and yet it can turn out to be something different. it's a different planet. the first thing is to try to confirm that there is a flow of water there. one way to do that is the look at how it changes du...