Northrop’s Dawn Spacecraft Completes 11-Year Mission in Asteroid Belt
Northrop Grumman’s solar electric ion propulsion-powered Dawn spacecraft has reached the end of its 11-year mission to two planet-like bodies that drift between Mars and Jupiter. The company said Thursday the spacecraft used up its altitude-control fuel after completing its mission of collecting data about Vesta and Ceres, which are two of the largest objects […] More