Enlarge / Artist's illustration of two CubeSats at Mars. (credit: NASA) The first CubeSats launched in 2003, and in less than a decade more than 100 had reached orbit around Earth. The aerospace industry has debated whether the 2kg to 15kg microsatellites are a fad, a toy, or more significantly a disruptive technology that will change they way we ultimately observe and study Earth and the rest of the Solar System.