Before revision: It is intended as a first step towards the development of a larger (1,600 kg) solar sail concept called UltraSail intended for interplanetary and interstellar missions.NASA to Launch Two Small AE Satellites.
After revision: It is as a first step towards the development of a larger (1,600 kg) solar sail concept called UltraSail intended for interplanetary and interstellar missions.NASA to Launch Two Small AE Satellites.