dr richard zurich is the chief scientist for the mars program at nasa as jet propulsion laboratory a lot of things have to happen right right know we fly into the atmosphere we have would he choose the protection but we're also trying to slow down so that we can land softly. we're talking about a very different scale of endeavor we're landing a metric ton down on the planet today we think for human missions to get stuff down on the surface that they can use that they can be there for a long period of time that means 4050 metric tons that's a lot of material today we don't know how to land the mars one has come under critical fire for their project primarily due to funding issues and for reports of recording the mission for reality television show. in march 2015 c.e.o. basilan store took to you tube to respond. they are currently selling our documentary series to international brawls costs or there's no deal in place yet but it's looking very promising there's a lot of interest when we really fill you a good criticism about our mission because it helps us to improve our mission also t