Q&A with Marc Rayman, chief engineer on NASA’s Dawn mission (members only)
Dawn spacecraft flying low over Ceres
NASA’s Dawn mission gears up for close look at Ceres
Scientists celebrate 10th anniversary of Dawn mission’s launch
In the ten years since its launch from Cape Canaveral, NASA’s Dawn spacecraft has orbited the two largest worlds in the asteroid belt and overcome defective components that threatened to derail the mission on its 4 billion-mile voyage, discovering unexpectedly rich geologic tapestries suggesting both destinations have a watery past.