深空探测项目：一旦脱离地球引力场，太阳帆飞船将能够在阳光驱动下持续加速，一直飞抵太阳系的边缘甚至飞出太阳系。
Deep space propulsion : Payloads free of the Earth 's pull can be continuously and efficiently accelerated to the other planets , or out of the solar system , such as proposed in Project Encounter .
太阳帆飞船