We have two! Why?
When we launched our website back in 2006, before the Dawn spacecraft itself was launched, Dawn's Chief Engineer, Dr. Marc Rayman offered to write a log of Dawn's journey to its destinations in the main asteroid belt, giant asteroid Vesta and dwarf planet Ceres. Called the Dawn Journal, Marc has faithfully chronicled the mission every month since then, and will continue to do so until its conclusion.
Dawn's new Science Blog is an opportunity for Dawn scientists, engineers, educators and community members to share unique perspective and knowledge of the mission. Dawn at Vesta Participating Scientists are contributing early posts. Participating scientists are team members invited to join the mission especially to contribute expertise to the analysis of data gathered at a certain stage of a mission, in Dawn's case, its first destination, Vesta