when you haverth, that kind of water, there can be life. we are looking at regions that have not changed in 3.5 billion years that we could actually go to on mars to see how perhaps, life started on mars. we can find those rocks anymore. ied all those with our plate tectonics and the biosphere. so, we put out those requirements to everyone in the community and that is typically our science people, but you can apply, as anyone can, to these digests and look at what comes out. and alex did. community toience say, here are the requirements. find us a place of mars that satisfies those. come prepared to be able to argue your case. for us to see how that goes, we put in a couple page abstract, what your arguments were, and that location. and alex did. the organizing committee was looking at the abstracts etc. and is was fabulous, just as good as any of the other scientists. we did that because we wanted to see how many scientists were picking similar locations and if they did, we would group them. we would say, here is your team. alex ended up a