Establish that there is no life is an important question to terraforming or not Mars.
How can we define that there is no life in some place out of Earth?
It is impossible study every cubic centimeter of a planet, so we need work with statistic, because we need to have a parameter to establish that is very likely there is no life.
We presented this equation to solve the parameter of non-life.
SpaceApps is a NASA incubator innovation program.