whether it's inside the titanic or inside the bismark recollect going deeper than anybody's gone. >> rose: so compare ocean exploration with me for me with exploration of space and where we are in both. >> yes. well i think we're much better funded in space because it's good appropriations for a lot of big aerospace companies and people many. i'm not putting down exploration i've been involved myself. but it's under funded, desperately under funded especially now after the discretionary funding was cut back a come years. but the thing is our oceans are life support systems here on spaceship earth. we need to understand them before we kill thew5eu life in e oceans or permanently disrupt it. and so you know, part of what i was trying to do with this film is get people interested in exploration here on earth. and realize that the ocean is this vast dark inig ma down there we need to understand better. >> rose: there's a story over bbc about this comet and going up behind the circle of the comet and called rosetta, i think. basically the question of finding out how scientifically life ma