http://www.hcn.org These are the search results for the query, showing results 1 to 1. http://www.hcn.org/issues/41.13/the-bare-bones-of-life The rocky, remote landscapes of the Southwest have long served astronomers as a metaphor for the surfaces of other planets. No publisher Anne Minard Apollo Program NASA Meteor Crater Eugene Shoemaker Mars astronomy 2010-02-05T09:16:52Z News Article