welcome back to sophie and co our guest is robert zubrin an american aerospace engineer who advocates manned exploration of mars great to have you back with us all right so a life on mars first of all what are you going to eat there oh well the initial explorers will bring their food to stock for two years or three years or four years of however much well turn a half years is the round trip six months out year and a half of them are six months back ok and they'll be. dehydrated food like pasta and flour and rice and so forth and sauces and meats the reason why you want to bring dehydrated foods is because you can recycle water and so for instance if a pound of spaghetti makes a whole meal for four people but it's relatively light weight itself and we'll have systems for recycling the water and we know how to do that on the water well. we will be bring a certain amount of water and we're going to recycle it there are systems right now that can be cycled water with better than ninety percent efficiency but now in fact we have discovered that there is water on mars even at the equator th

or it's our guest today is robert zubrin ira space engineer author and very outspoken advocate of humancolonization of mars it's quite heavy here on our t.v. robert thanks for inviting me right to the people had been to the moon for the past forty years and last time they won their their lunar expedition didn't really lean much of the consequences didn't really bring much of their fat why do you think that mars will actually have more effect well mars is a much more interesting place than the cape the moons of rock mars is a world mars had oceans on it in the past it had rivers there dried up now but mars had liquid water on it for a billion years which is five times as long as it took life to appear on earth after there was liquid water here and so it's possible that life could have on mars and if we go to mars and find traces of past life or even surviving present life it would prove that the development of life from can. history is a general phenomenon in the universe and furthermore mars is a planet that has the resources not just to support life but technological civilization for o