Payne Fellows argue that due to aerospace innovations like usable rocketry and growing international space participation, the global space sector is on the verge of a renaissance. Proposed NewSpace activities, like space tourism, space mining, or orbital manufacturing, seem to come straight from science fiction but could now arrive within a decade. However, the space technology with the biggest potential may be one that benefits all of humanity: production of solar power in outer space for use on Earth. October 21, 2019.