Discovering Mars: A History of Observation and Exploration of the Red PlanetFor millenia humans have considered Mars the most fascinating planet in our solar system. We've watched this Earth like world first with the naked eye, then using telescopes, and, most recently, through robotic orbiters and landers and rovers on the surface. Historian William Sheehan and astronomer and planetary scientist Jim Bell combine their talents to tell a unique story of what we've learned by studying Mars through evolving technologies. What