What's unusual about the technology Stellar Exploration developed with Malin Space Science Systems of San Diego is its power, said Mike Loucks, president of Space Exploration Engineering, a Seattle company that specializes in cis-lunar, lunar and deep space missions. The new thruster fueled with hydrazine and nitrogen tetroxide is designed to move a 12-unit cubesat, which weighs about 28 kilograms, at a speed of two kilometers per second. "The miniaturized bi-prop system Stellar has developed suddenly allows cubesats to take on the missions normally associated with much larger and more expensive spacecraft," Loucks said by email. "None of the currently...