Hannah Wald News Today

[inaudible] [inaudible] and to understand the geology so they can determine what happened at a particular place at a particular time. And do it by carbon dating. They have techniques. They determine age by using the gas line. And the relationship between those can be measured and understood in a way that would give you a sense of how long ago well beyond my understanding but suffice it to say that these folks, based on what they know on earth and what they understand that mars has the same proce...