Latest Features September 6, 2018 Anatomy of a space mission: How to get from an idea to the launchpad and beyond How does a mission like Dawn grow from an idea to a spacecraft exploring distant worlds? August 21, 2018 A Brief History of Ion Propulsion Ion propulsion isn’t new. In fact, ion propulsion, a type of electric propulsion, was originally conceived of in the early 1900s. August 21, 2018 How Dawn Works Dawn has given us valuable information about planet-like worlds Vesta and Ceres, providing insight into the history of our solar system. August 16, 2018 Vesta and Ceres: What We Knew About These Worlds Before and After Dawn During its decade-long journey, Dawn has observed planet-like worlds Vesta and Ceres, collecting detailed data about the two fascinating bodies in the main asteroid belt. August 15, 2018 Keri Bean, Science Planning and Sequencing Engineer Keri Bean is a science planning and sequencing engineer for Dawn and is training to be a Mars rover driver for the Mars Exploration Rovers (MER). Learn more about her. August 10, 2018 Kristina Larson, Lead Systems Engineer Kristina is the lead systems engineer for Dawn at NASA’s Jet Propulsion Laboratory. Learn more about her.