solar electric propulsion
ExoTerra to develop upper stage for Virgin Orbit LauncherOne
ExoTerra Resources won a NASA Small Business Innovation Research award to develop an upper stage to fit Virgin Orbit’s LauncherOne.
The uncertain future of solar electric propulsion
For the last few years, NASA has promoted solar electric propulsion (SEP) as a key aspect of its long-term plans to send humans to Mars. NASA’s Asteroid Redirect Mission (ARM) was going to demonstrate one such advanced SEP system, with several 12.5-kilowatt thrusters. But ARM is no more.
