On Monday, the European Space Agency (ESA) conducted a successful test of its newest projectile, the Vega rocket. Designed to carry up to nine objects totaling less than 2.5 metric tons ("tonnes," for those in the know) into orbit, the four-stage vehicle stands 30 meters tall and weighs in at just under 140 metric tons when fully loaded. The rocket aims to solve a key -- if slightly humdrum -- problem: at present, European researchers send their instrumentation into space on retrofitted Russian intercontinental ballistic missiles (ICBM). The Vega platform should provide greater launch flexibility and redu