Planets of the solar system, which the Discovery -class projects would explore. The Discovery program aims to build on those missions' successes, thus maintaining a steady stream of fresh data to the planetary-science community. As was the case on the hit show Survivor , alliances are key in the Discovery game. The most important factor in this first round is the scientific quality of your mission. You certainly want to put together a team that the rest of the scientific community recognizes as knowledgeable.
Science is at the forefront, but mission risk and cost are very important.